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.
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THE FIRST COLLECTIONA command-line interface for Google Workspace that dynamically generates commands from the Google Discovery Service to manage Drive, Gmail, Calendar, and other APIs.
Authelia is an open-source authentication and authorization server that provides two-factor authentication and single sign-on through a web portal. Working alongside reverse proxies, it allows, denies or redirects requests, and supports OpenID Connect 1.0 / OAuth 2.0, WebAuthn security keys and passkeys, TOTP, and Duo push notifications.
Supabase is an open-source Postgres development platform combining hosted database, authentication, auto-generated REST/GraphQL and realtime APIs, edge functions, file storage, an AI/vector toolkit, and a dashboard, with official and community client libraries.
Better Auth is a framework-agnostic authentication and authorization framework for TypeScript, offering built-in features and a plugin ecosystem for advanced needs like 2FA and multi-tenant support.
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.