Oauth GitHub Repositories (2026) · Open Source Tools

ChatGPT thinks. Codex works. Use ChatGPT as the planning brain while keeping the Codex harness.

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD

Multi-account proxy for Claude Code and Codex: pools Claude Max, ChatGPT/Codex, API-key and third-party backend accounts, and rotates on quota

Hylki (formerly Vireo): a fast, GNOME-native email client built with Rust and libadwaita.

The most comprehensive authentication framework

Claude Code multi-account manager, usage monitor (CLI, TUI & cross-account delegation via MCP)

The easiest, most secure way to use WireGuard and 2FA.

Codex CLI multi-account OAuth manager with account switching, health checks, runtime rotation, diagnostics, and recovery tools for @openai/codex

Self-hosted OpenAI-compatible API for Qoder CLI login,workbuddy, with SQLite multi-account routing

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

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

OpenCode plugin for ChatGPT Plus/Pro OAuth with Codex/GPT-5 routing, multi-account rotation, account switching, health checks, diagnostics, and recovery tools

Google Antigravity OAuth plugin for OpenCode (Revived & Extended) - Unlocks Gemini 3.8 Flash, 3.7 Flash, 3.1 Pro & Claude 4.6

Go client SDK for Casdoor

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.

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

PRAW, an acronym for "Python Reddit API Wrapper", is a python package that allows for simple access to Reddit's API.

Codex/ChatGPT multiple account load balancer & proxy with usage tracking, dashboard, and OpenCode-compatible endpoints