Discover the best Oauth2 open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
GrantForge (formerly AuthX) is an open-source (MIT) unified permission platform. It answers two questions in one place: who can do what (functional authorization) and who can see which data (data and field authorization).
MCP Connector for DeepSeek Harness: a data marketplace connecting enterprise, financial, legal, patent and research data. Manage authorization, search tools and troubleshoot MCP connections. Supports OAuth, API keys and HTTP/stdio.
Mock OAuth2/OpenID Connect server for JVM tests and Docker Compose. No security workarounds needed.
Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.
ZITADEL - Identity infrastructure, simplified for you.
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
A spec compliant, secure by default PHP OAuth 2.0 Server
Simple OAuth library for Java
The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS, JWE, JWK, JWA, JWT included.
OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js
Full-stack .Net 10 Clean Architecture (Microservices, Modular Monolith, Monolith), Blazor, Angular 22, React 19, Vue 3.5, BFF with YARP, NextJs 16, Domain-Driven Design, CQRS, SOLID, Asp.Net Core Identity Custom Storage, OpenID Connect, EF Core, OpenTelemetry, SignalR, Background Services, Health Checks, Rate Limiting, Clouds (Azure, AWS, GCP), ...
Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.
Bichon – A lightweight, high-performance Rust email archiver with WebUI
CloudFoundry User Account and Authentication (UAA) Server
Reference implementation of OpenPubkey
Apache Syncope
Typed TypeScript SDK for direct and managed social platform integrations, with capability checks, explicit outcomes, and deterministic testing.
OpenID/Connect, OAuth2, WS-Federation and SAML 2.0 server based on Duende IdentityServer and ITFoxtec Identity SAML 2.0 with its admin UI
OAuth 2.0 Server & Client Library. Both Bearer and MAC token type are supported.
An abstract OAuth2 strategy for OmniAuth.