The most comprehensive authentication framework
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47,133 repositories indexed
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The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
Authentication for the Web.
The authentication glue you need.
Flexible authentication solution for Rails with Warden.
Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
ZITADEL - Identity infrastructure, simplified for you.
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
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
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!
🔐 JSON Web Token Authentication for Laravel & Lumen
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Integrated set of Django applications addressing authentication, registration, account management as well as 3rd party (social) account authentication. 🔁 Mirror of https://codeberg.org/allauth/django-allauth/
Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
The Open Source Firebase Alternative with GraphQL.
OmniAuth is a flexible authentication system utilizing Rack middleware.
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, MCP and admin UI built on Rust, SQLite (PG) & Wasmtime.
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.
The Developer Platform for Modern APIs
Enterprise-grade Shopify Admin API authentication adapter — OAuth 2.0 Client Credentials Grant with automatic token refresh.
Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.