oauth topic
pow_assent
Multi-provider authentication for your Pow enabled app
spring-security-pac4j
Bridge from the pac4j security library to Spring Security (reactive)
SocialLoginManager
DEPRECATED
spark-pac4j
Security library for Sparkjava: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
drf-social-oauth2
drf-social-oauth2 makes it easy to integrate Django social authentication with major OAuth2 providers, i.e., Facebook, Twitter, Google, etc.
spring-webmvc-pac4j
Security library for Spring Web MVC: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
IdentityServer
The most flexible and standards-compliant OpenID Connect and OAuth 2.x framework for ASP.NET Core
uaa
CloudFoundry User Account and Authentication (UAA) Server
spring-security-oauth
Just Announced - "Learn Spring Security OAuth":
Security.Identity
.NET DevPack Identity is a set of common implementations to help you implementing Identity, Jwt, claims validation and another facilities