Top AUTH GitHub Repositories & Tools (2026)

Element Server Suite Community Edition

Batteries-included backend that works with any stack.

Two-Factor Authentication for WordPress.

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

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.

Firebase Admin Java SDK

Anchor Wallet desktop app for Vaulta (formerly EOS), WAX, Telos and other Antelope networks

The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key archival, OCSP and smartcard management.

A filled with self-loathing implementation of Basic Authentication, and Certificate Authentication to make me feel like a real security person, all for for ASP.NET Core

Create link for authenticate in Laravel without password or get private content

Enterprise-ready MCP Gateway & Registry that centralizes AI development tools with secure OAuth authentication, dynamic tool discovery, and unified access for both autonomous AI agents and AI coding assistants. Transform scattered MCP server chaos into governed, auditable tool access with Keycloak/Entra integration.

An authorization library that supports access control models like ACL, RBAC, ABAC in Laravel.

Android toolkit for Auth0 API

An Erlang OAuth 1.0 implementation

⏰ The open-source time tracking app for individuals.

Powerful authentication system for Laravel 12 and 13 - Login, Registration, Forget Password, Email Verification, OTP, TOTP, Captcha, Brute Force Lockout, 5 Layouts, Dark & Light Themes, Email templates, Fully Configurable, Social Login. Comes with Excellent Documentation.

OpenID 2.0 authentication middleware for ASP.NET Core

JWT Token support for Doorkeeper

A secure, high-performance, multi-tenant platform for remote App ”Hosting“ and ”Computing“

Highflame ZeroID: Autonomous Agent Identity Management System (AAIMS)