Open source repositories tagged with #oauth2, ranked by health score.
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.
Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
Utility libraries for Go (aka Golang) API auth including OAuth 2, JWT, TLS Client Authentication and Basic Auth.
OAuth 2.1 request authentication.