285+ open-source auth tools — OAuth, SSO, passkeys, MFA, and session management. Alternatives to Auth0, Clerk, and Firebase Auth.
Open-source Auth0/Clerk alternative
🔐 JSON Web Token Authentication for Laravel & Lumen
🛠 Secure, stateless, and cookie-based session library for JavaScript
OAuth 2.0 clients for popular providers — lightweight TypeScript
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC in
Simple and rapid application development framework, built on top of Flask. includes detailed securit
The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS, JWE, JWK, JW
A Go (Golang) Backend Clean Architecture project with Gin, MongoDB, JWT Authentication Middleware, T
Example showing how to use NextAuth.js with Next.js
Light LDAP implementation
Open Source License Key Generation and Verification Tool written in Go
A modern auth and user management starter template, built for the Next.js App Router and powered by