Oauth2 GitHub Repositories (2026) · Open Source Tools

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

A Mock OIDC Server for Unit & Integration Tests

MCP server for Basecamp 3 with OAuth, FastMCP, and 75 tools for projects, todos, messages, card tables, docs, uploads, and search.

↥ ↥ ↥ Follow for updates An RBAC permission management system based on Spring Cloud 2025, Spring Boot 4, and OAuth2.

PACT is an open protocol for personal agents to interact with businesses’ agents under explicit, verifiable user permissions.

Experiment with Go + HTMX and OAuth2/OIDC + WebAuthn

FastAPI plugin to enable SSO to most common providers (such as Facebook login, Google login and login via Microsoft Office 365 Account)

Bridge from the pac4j security library to Shiro

openvpn-auth-oauth2 is a plugin/management interface client for OpenVPN server to handle an OIDC based single sign-on (SSO) auth flows

A modular Golang Discord API Wrapper

The Janssen Project is a home for open source IAM components, featuring Auth Server (OAuth/OpenID), Agama low-code identity orchestration, and the Cedarling policy decision point. The "Janssen Server" distributions bundle IAM components under one control plane.

The reliable YouTube API Ruby client

Auth0 headless browser sdk

Python Social Auth - Application - Django

OAuth 2.0 social authentication providers for ASP.NET Core