Best Authentication & Identity GitHub Repositories

Create authentic looking D&D homebrews using only markdown

FIDO2 Conformant WebAuthn and Passkey backend library for golang

The missing reverse proxy for ssh scp

Firebase Admin Go SDK

An unmaintained authorization plugin for Rails. Please fork to support current versions of Rails

Backend for AI coding agents on CloudBase — database, auth, functions via Plugin, Skills & MCP.

Open source platform for X.509 certificate based service authentication and fine grained access control in dynamic infrastructures. Athenz supports provisioning and configuration (centralized authorization) use cases as well as serving/runtime (decentralized authorization) use cases.

Auth0 SDK for React Single Page Applications (SPA)

Deployment platform for teams to deploy internal tools. Deploy web apps declaratively, on a single-node or on Kubernetes, with OIDC/SAML auth and RBAC.

Element Server Suite Community Edition

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.

Batteries-included backend that works with any stack.

Autonomous LLM Trading Asterism — a research-only multi-agent trading platform with evidence-first research, an auditable console, Shadow simulation and explicitly authorized broker execution.

ROS 2 LiDAR SLAM for pointcloud-map authoring, benchmarking, and Autoware-compatible map workflows.

Yet another role-based authorization system for Rails

Two-Factor Authentication for WordPress.

Agent-Native multi-platform reverse engineering and CWE-602 client-side authorization audit workbench.

Enables organizations to create and deploy customizable AI agents with support for multiple LLM providers, real-time chat, voice, document training, analytics, user management, SSO authentication, and embeddable widgets. Built with React 19, Redux Toolkit, Radix UI, and Tailwind CSS.

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

Source code for 2FAS Auth iOS app