authentication

Open Source realtime backend in 1 file

Authentication for the Web.

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

The most comprehensive authentication framework for TypeScript

Flexible authentication solution for Rails with Warden.

The authentication glue you need.

An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or y

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

A free, open-source SaaS app starter for React & Node.js with superpowers. Full-featured. Community-driven.

ZITADEL - Identity infrastructure, simplified for you.

An open-source AI-first Identity and Access Management (IAM) /AI MCP gateway and auth server with web UI supporting MCP, A2A, OAuth 2.1, OID

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

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 auth

The Open Source Firebase Alternative with GraphQL.

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

Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.

🖥 Authing SDK for JavaScript, Miniprogram