chore(deps): update dependency apollographql.hotchocolate.federation to v1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ApolloGraphQL.HotChocolate.Federation	0.2.0 -> 1.3.0

---

Release Notes

apollographql/federation-hotchocolate (ApolloGraphQL.HotChocolate.Federation)

v1.3.0

Minor Changes

• Enable Source link for debugging enhancements (#​60) @​damienpontifex

Patch Changes

• chore(deps): update all non-major dependencies (#​41) @​renovate
• chore(deps): update dependency microsoft.sourcelink.github to v8 (#​57) @​renovate

Other Changes

• Add Codeowners (#​56) @​svc-secops

v1.2.1

Patch Changes

• fix: new NonResolvableKey attribute (#​54) @​dariuszkuc

Other Changes

• add compatibility warning (#​50) @​dariuszkuc

v1.2.0

Minor Changes

• feat: expose IRequestExecutorBuilder extensions to apply schema directives (#​47) @​dariuszkuc

Patch Changes

• fix: use implicit binding for federated POCO (#​39) @​dariuszkuc

Other Changes

• chore(deps): update hotchocolate to v13.6.1 (#​42 #​43) @​renovate
• chore(renovate): group HotChocolate updates together (#​40) @​dariuszkuc

v1.1.0

Minor Changes

Adds support for HotChocolate v13.6.0.

v1.0.0

Apollo Federation for HotChocolate

Apollo Federation is a powerful, open architecture that helps you create a unified supergraph that combines multiple GraphQL APIs. ApolloGraphQL.HotChocolate.Federation provides Apollo Federation support for building subgraphs in the HotChocolate ecosystem. Individual subgraphs can be run independently of each other but can also specify relationships to the other subgraphs by using Federated directives. See Apollo Federation documentation for details.

Generating Federated Schemas

ApolloGraphQL.HotChocolate.Federation package is published to Nuget. Update your .csproj file with following package references

  <ItemGroup>
    <!-- make sure to also include HotChocolate package -->
    <PackageReference Include="HotChocolate.AspNetCore" Version="13.5.1" />
    <!-- federation package -->
    <PackageReference Include="ApolloGraphQL.HotChocolate.Federation" Version="$LatestVersion" />
  </ItemGroup>

After installing the necessary packages, you need to register Apollo Federation with your GraphQL service. You need to opt-in to Federation v1 or v2 schema by invoking corresponding builder extension

var builder = WebApplication.CreateBuilder(args);

builder.Services
    .AddGraphQLServer()
    // .AddApolloFederation() // use this instead if you want to opt-in to fed v1 
    .AddApolloFederationV2() 
    // register your types and services
    ;

var app = builder.Build();
app.MapGraphQL();
app.Run();

Apollo Federation requires subgraphs to provide some additional metadata to make them supergraph aware. Entities are GraphQL objects that can be uniquely identified across the supergraph by the specified @keys. Since entities can be extended by various subgraphs, we need an extra entry point to access the entities, i.e. subgraphs need to implement reference resolvers for entities that they support.

All federated directives are provided as attributes that can be applied directly on classes/fields/methods. Alternatively, if you need more granular control, you can use code first approach and manually populate federation information on the underlying GraphQL type descriptor. All federated directives expose corresponding methods on the applicable descriptor. Example attribute usage

[Key("id")]
public class Product
{
    public Product(string id, string name, string? description)
    {
        Id = id;
        Name = name;
        Description = description;
    }

    [ID]
    public string Id { get; }

    public string Name { get; }

    public string? Description { get; }

    // assumes ProductRepository with GetById method exists
    // reference resolver method must be public static
    [ReferenceResolver]
    public static Product GetByIdAsync(
        string id,
        ProductRepository productRepository)
        => productRepository.GetById(id);
}

Federation v1 directives

• Extends applicable on objects, see @extends documentation
• External applicable on fields, see @external documentation
• Key applicable on objects, see @key documentation
• Provides applicable on fields, see @provides documentation
• Requires applicable on fields, see @requires documentation

Federation v2 directives (includes all of the v1 directives)

• ApolloTag applicable on schema, see @tag documentation
• ApolloAuthenticated (since v2.5) applicable on enum, field, interface and object, @authenticated documentation
• ComposeDirective (since v2.1) applicable on schema, see @composeDirective documentation
• Contact applicable on schema, see @contact usage
• Inaccessible applicable on all type definitions, see @inaccessible documentation
• InterfaceObject (since v2.3) applicable on objects, see @interfaceObject documentation
• KeyInterface applicable on interfaces, see entity interface @key documentation
• Link applicable on schema, see @link documentation
• RequiresScopes (since v2.5) applicable on enum, field, interface and object, @requiresScopes documentation
• Shareable applicable on schema, see @shareable documentation

Entity resolution

• Map applicable on entity resolver method paramaters, allows you to map complex argument to a simpler representation value, e.g. [Map("foo.bar")] string bar
• ReferenceResolver applicable on public static methods within an entity class to indicate entity resolver

v0.3.0

Minor Changes

• feat: support @authenticated and @requiresScopes (#​33) @​dariuszkuc
• feat: new AddApolloFederationV2 that accepts target version (#​32) @​dariuszkuc
• feat: allow users specifying supported federation version (#​23) @​dariuszkuc

Other Changes

• chore(deps): update dependency coverlet.msbuild to v6 (#​31) @​renovate
• chore(deps): update dependency snapshooter.xunit to v0.13.0 (#​29) @​renovate
• chore(deps): update actions/checkout action to v4 (#​12) @​renovate
• chore(deps): update xunit-dotnet monorepo to v2.5.3 (#​30) @​renovate
• chore(deps): update dependency moq to v4.20.69 (#​28) @​renovate
• chore(deps): update dependency microsoft.net.test.sdk to v17.7.2 (#​27) @​renovate
• chore(deps): update dependency coverlet.msbuild to v3.2.0 (#​26) @​renovate
• chore: simplify project structure (#​25) @​dariuszkuc

---

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[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

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⚠️ Docs preview not attached to branch

The preview was not built because the PR's base branch main is not in the list of sources.

An Apollo team member can comment one of the following commands to dictate which branch to attach the preview to:

Build ID: 8ae56708da58ddcac6528f9e

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 141 ⭐ Last Release: 2025-03-07	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-02-25	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🔲 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.4k ⭐ Last Release: 2025-03-06 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2024-07-11 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.1k ⭐ Last Release: 2025-02-15	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.1k ⭐ Last Release: 2025-02-26 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-01-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 161 ⭐ Last Release: 2025-01-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-02-18 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-01-03 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.3k ⭐ Last Release: 2025-03-06 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 831 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-02-24 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-01-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-01-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.4k ⭐ Last Release: 2025-03-07 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-02-17 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2024-12-19 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.2k ⭐ Last Release: 2025-02-19 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.1k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.2k ⭐ Last Release: 2025-03-06 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2021-02-12 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.4k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 951 ⭐ Last Release: 2025-02-22	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-01-14 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 537 ⭐ Last Release: 2024-12-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-03-07	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 520 ⭐ Last Release: 2025-03-07 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-04-13	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🔲 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.5k ⭐ Last Release: 2025-08-05 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.4k ⭐ Last Release: 2025-07-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.2k ⭐ Last Release: 2025-06-30 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-06-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-07-22 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-07-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-06-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-07-31 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-07-23 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-07-28 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-08-05 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.5k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 968 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-06-11 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 546 ⭐ Last Release: 2025-06-09	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-07-17	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 537 ⭐ Last Release: 2025-08-04 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-04-13	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🔲 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.5k ⭐ Last Release: 2025-08-05 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.4k ⭐ Last Release: 2025-07-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.2k ⭐ Last Release: 2025-06-30 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-06-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-07-22 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-07-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-06-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-07-31 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-07-23 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-07-28 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-08-05 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.5k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 968 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-06-11 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 546 ⭐ Last Release: 2025-06-09	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-07-17	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 537 ⭐ Last Release: 2025-08-04 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

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Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-04-13	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🔲 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.5k ⭐ Last Release: 2025-08-05 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.4k ⭐ Last Release: 2025-07-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.2k ⭐ Last Release: 2025-06-30 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-06-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-07-22 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-07-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-06-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-07-31 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-07-23 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-07-28 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-08-05 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.5k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 968 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-06-11 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 546 ⭐ Last Release: 2025-06-09	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-07-17	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 537 ⭐ Last Release: 2025-08-04 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-04-13	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🔲 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.5k ⭐ Last Release: 2025-08-05 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.4k ⭐ Last Release: 2025-07-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.2k ⭐ Last Release: 2025-06-30 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-06-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-07-22 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-07-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-06-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-07-31 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-07-23 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-07-28 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-08-05 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.5k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 968 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-06-11 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 546 ⭐ Last Release: 2025-06-09	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-07-17	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 537 ⭐ Last Release: 2025-08-04 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 5.9k ⭐ Last Release: 2025-04-13	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.5k ⭐ Last Release: 2025-08-05 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.3k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.4k ⭐ Last Release: 2025-07-27	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.2k ⭐ Last Release: 2025-06-30 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-06-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-07-22 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-07-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-06-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-04-11 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-07-31 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.4k ⭐ Last Release: 2025-07-23 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-07-28 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-08-05 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.5k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 968 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-06-11 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 546 ⭐ Last Release: 2025-06-09	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-07-17	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 537 ⭐ Last Release: 2025-08-04 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

Federation 1 Support	Federation 2 Support
_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

[github-actions[bot]]

Apollo Federation Subgraph Compatibility Results

The following open-source GraphQL server libraries and other solutions support acting as a subgraph in a federated supergraph.

Table Legend

Icon	Description
	Maintained by Apollo
🟢	Functionality is supported
❌	Critical functionality is NOT supported
🔲	Additional federation functionality is NOT supported

Ballerina

Library	Federation 1 Support	Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina. Github: ballerina-platform/module-ballerina-graphql Type: Code first Stars: 139 ⭐ Last Release: 2025-04-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🔲 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

C# / .NET

Library	Federation 1 Support	Federation 2 Support
GraphQL for .NET
GraphQL for .NET Github: graphql-dotnet/graphql-dotnet Type: Code first | SDL first Stars: 6.0k ⭐ Last Release: 2025-09-21	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing. Github: ChilliCream/graphql-platform Type: Code first | SDL first Stars: 5.6k ⭐ Last Release: 2025-10-04 Federation Library: apollographql/federation-hotchocolate	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Elixir

Library	Federation 1 Support	Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir Github: absinthe-graphql/absinthe Type: Code first Stars: 4.4k ⭐ Last Release: 2025-06-09 Federation Library: DivvyPayHQ/absinthe_federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Go

Library	Federation 1 Support	Federation 2 Support
gqlgen
go generate based graphql server library Github: 99designs/gqlgen Type: SDL first Stars: 10.5k ⭐ Last Release: 2025-09-25	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support Github: dariuszkuc/graphql Type: Code first Stars: 2 ⭐ Last Release: 2022-11-11	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲

Java / Kotlin

Library	Federation 1 Support	Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy. Github: netflix/dgs-framework Type: SDL first Stars: 3.3k ⭐ Last Release: 2025-09-15 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity. Github: graphql-java-kickstart/graphql-spring-boot Type: SDL first Stars: 1.5k ⭐ Last Release: 2023-12-07 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link ❌ @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin Github: ExpediaGroup/graphql-kotlin Type: Code first Stars: 1.8k ⭐ Last Release: 2025-06-16 Core Library: GraphQL Java	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
SmallRye GraphQL
Implementation for MicroProfile GraphQL Github: smallrye/smallrye-graphql Type: Code first Stars: 167 ⭐ Last Release: 2025-10-03	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Spring GraphQL
Spring Integration for GraphQL Github: spring-projects/spring-graphql Type: SDL first Stars: 1.6k ⭐ Last Release: 2025-09-16 Core Library: GraphQL Java Federation Library: apollographql/federation-jvm	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

JavaScript / TypeScript

Library	Federation 1 Support	Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more. Github: apollographql/apollo-server   Type: SDL first Stars: 13.9k ⭐ Last Release: 2025-07-17 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
express-graphql
Create a GraphQL HTTP server with Express. Github: graphql/express-graphql Type: SDL first Stars: 6.3k ⭐ Last Release: 2020-11-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Yoga
The fully-featured GraphQL server with focus on easy setup, performance and great developer experience. Github: dotansimha/graphql-yoga Type: SDL first Stars: 8.4k ⭐ Last Release: 2025-09-19 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server. Github: contra/graphql-helix Type: SDL first Stars: 829 ⭐ Last Release: 2022-07-09 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Mercurius
Implement GraphQL servers and gateways with Fastify Github: mercurius-js/mercurius Type: SDL first Stars: 2.4k ⭐ Last Release: 2025-09-25 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: Code first Stars: 1.5k ⭐ Last Release: 2025-10-02 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🔲 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications. Github: nestjs/graphql Type: SDL first Stars: 1.5k ⭐ Last Release: 2025-10-02 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable. Github: hayes/pothos Type: Code first Stars: 2.5k ⭐ Last Release: 2025-10-04 Core Library: GraphQL.js	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

PHP

Library	Federation 1 Support	Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel Github: nuwave/lighthouse Type: SDL first Stars: 3.5k ⭐ Last Release: 2025-09-11 Core Library: webonyx/graphql-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript Github: webonyx/graphql-php Type: Code first Stars: 4.7k ⭐ Last Release: 2025-08-20 Federation Library: Skillshare/apollo-federation-php	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲

Python

Library	Federation 1 Support	Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach. Github: mirumee/ariadne Type: SDL first Stars: 2.3k ⭐ Last Release: 2025-04-18 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢
Graphene
GraphQL framework for Python Github: graphql-python/graphene Type: Code first Stars: 8.2k ⭐ Last Release: 2024-11-09 Core Library: GraphQL-core 3 Federation Library: graphql-python/graphene-federation	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓 Github: strawberry-graphql/strawberry Type: Code first Stars: 4.4k ⭐ Last Release: 2025-09-07 Core Library: GraphQL-core 3	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Ruby

Library	Federation 1 Support	Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL Github: rmosolgo/graphql-ruby Type: Code first Stars: 5.4k ⭐ Last Release: 2025-07-19 Federation Library: Gusto/apollo-federation-ruby	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🟢

Rust

Library	Federation 1 Support	Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust Github: async-graphql/async-graphql Type: Code first Stars: 3.6k ⭐	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🔲

Scala

Library	Federation 1 Support	Federation 2 Support
Caliban
Functional GraphQL library for Scala Github: ghostdogpr/caliban Type: Code first Stars: 975 ⭐ Last Release: 2025-07-14	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢
Sangria
Scala GraphQL implementation Github: sangria-graphql/sangria Type: Code first Stars: 2.0k ⭐ Last Release: 2025-08-09 Federation Library: sangria-graphql/sangria-federated	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Swift

Library	Federation 1 Support	Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux Github: GraphQLSwift/Graphiti Type: SDL first Stars: 550 ⭐ Last Release: 2025-08-21	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🟢 @interfaceObject 🟢

Other Solutions

Library	Federation 1 Support	Federation 2 Support
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.	_service ❌ @key (single) 🟢 @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🔲	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere. Github: Urigo/graphql-mesh Stars: 3.4k ⭐ Last Release: 2025-09-19	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🟢 repeatable @key 🟢 @requires 🟢 @provides 🟢 federated tracing 🟢	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations. Github: neo4j/graphql Type: Code first | SDL first Stars: 541 ⭐ Last Release: 2025-09-29 Core Library: GraphQL.js Federation Library: Apollo Subgraph	_service ❌ @key (single) ❌ @key (multi) 🔲 @key (composite) 🔲 repeatable @key 🔲 @requires 🔲 @provides 🔲 federated tracing 🟢	@link ❌ @shareable 🔲 @tag 🔲 @override 🔲 @inaccessible 🔲 @composeDirective 🔲 @interfaceObject 🔲
IBM API Connect for GraphQL
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.	_service 🟢 @key (single) 🟢 @key (multi) 🟢 @key (composite) 🔲 repeatable @key 🔲 @requires 🟢 @provides 🔲 federated tracing 🔲	@link 🟢 @shareable 🟢 @tag 🟢 @override 🟢 @inaccessible 🟢 @composeDirective 🔲 @interfaceObject 🔲