messaging topic

Private messaging system that hides metadata

vuvuzela

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

apache

Apache Pulsar - distributed pub-sub messaging system

apache

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.

centrifugal

Kafka implemented in Golang with built-in coordination (No ZK dep, single binary install, Cloud Native)

travisjeffery

Threema App for Android.

threema-ch

🌟🌟🌟🌟🌟 Falcon Messenger is a Fast and Beautiful cloud-based messaging app. With iOS and IPadOS Support.

RMizin

Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.

build-trust

Send and Receive files directly from your browser with end-to-end encryption

datash

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

tinode

IM Chat

openimsdk