Open source. Open possibilities.

A full-stack project template combining FastAPI, SQLModel, PostgreSQL, React, Vite, Tailwind CSS and shadcn/ui, with JWT auth, Docker Compose deployment, Traefik HTTPS, email recovery and CI/CD.

Auth.js (formerly NextAuth.js) is an open-source, full-stack authentication library for modern web applications. It supports OAuth, OIDC, passwordless, and Passkeys, works with or without a database, and runs on any JS runtime.

Hanko is an open-source, framework-agnostic authentication and user management solution positioned as an alternative to Auth0, Clerk, WorkOS and Stytch. It supports passwords, passkeys, MFA, social logins and SAML SSO, and can be self-hosted or used via Hanko Cloud.

A Go library for parsing, verifying, generating, and signing JSON Web Tokens (JWT), supporting HMAC SHA, RSA, RSA-PSS, and ECDSA algorithms with RFC 7519 compliance.

A transport-agnostic OAuth 2.1 and OpenID Connect server built on OpenIddict and redb.Route, supporting multiple databases, MFA, WebAuthn, SCIM, and in-process direct-vm calls.