goauthentik / authentik

The authentication glue you need.

authlib / authlib

The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS, JWE, JWK, JWA, JWT included.

doorkeeper-gem / doorkeeper

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

DefGuard / defguard

Zero-Trust access management with true WireGuard® 2FA/MFA

thephpleague / oauth2-server

A spec compliant, secure by default PHP OAuth 2.0 Server

cloudfoundry / uaa

CloudFoundry User Account and Authentication (UAA) Server

Aguafrommars / TheIdServer

OpenID/Connect, OAuth2, WS-Federation and SAML 2.0 server based on Duende IdentityServer and ITFoxtec Identity SAML 2.0 with its admin UI