Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET

Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation

npm package for OpenID Connect, OAuth Code Flow with PKCE, Refresh tokens, Implicit Flow

OpenID Connect Relying Party and OAuth 2.0 Resource Server implementation in Lua for NGINX / OpenResty

Ultimate Javascript Object Signing and Encryption (JOSE), JSON Web Token (JWT) and Json Web Keys (JWK) Implementation for .NET and .NET Core

.NET samples for OpenIddict

OpenID Connect/OAuth2 server framework for OWIN/Katana and ASP.NET Core

Make Spring developpers' life easier when OAuth2 / OpenID is involved

Portier Broker reference implementation, written in Rust

Social (OAuth1\OAuth2\OpenID\OpenIDConnect) sign with PHP

Easy and secure implementation of Azure Entra ID (previously AD) for your FastAPI APIs 🔒 B2C, single- and multi-tenant support.

Experimental Single Sign On server, OAuth2, Openid Connect, multiple factor authentication with, HOTP/TOTP, FIDO2, TLS Certificates, etc. extensible via plugins

Apache Syncope

Reference implementation of OpenID Connect integration for NGINX Plus

Golang (GO) implementation of Javascript Object Signing and Encryption specification

OpenID Connect extension for Doorkeeper

An OAuth2 and OpenID Connect Debugger

Spring Boot OAuth 2.0 & OpenID Connect Identity Provider / Authorization Server

oidc-agent for managing OpenID Connect tokens on the command line