Open-source auth library for any JavaScript runtime
Description
Lucia is a simple, framework-agnostic authentication library for TypeScript. It handles sessions, cookies, and database adapters so you can own your auth layer without a third-party service. Works with Node, Bun, Deno, and Cloudflare Workers.
Open-source Auth0 alternative with RBAC and multi-tenancy.
Description
Logto is an open-source identity solution for modern apps. Social sign-in, passwordless authentication, RBAC, multi-tenancy, and organization support out of the box. Self-host or use the managed cloud with a generous free tier.