
Authentication and user management for modern apps
Clerk provides complete user management with beautiful pre-built components. Authentication, user profiles, organizations, and more—all with a few lines of code.

The open source Firebase alternative
Supabase provides a Postgres database, authentication, instant APIs, realtime subscriptions, and storage. The go-to backend for vibe coders who want to ship fast.

The most comprehensive authentication framework for TypeScript
Better Auth is a TypeScript-first authentication framework with 50+ features. Social login, 2FA, organizations, passkeys—everything built in and customizable.

Identity infrastructure for developers
Stytch provides authentication APIs with a focus on passwordless methods. Modern identity primitives for building secure, frictionless login experiences.

Enterprise-ready authentication and more
WorkOS provides the building blocks for enterprise features: SSO, directory sync, audit logs, and fine-grained authorization. Ship enterprise requirements fast.

Simple and flexible authentication
Lucia is an open-source authentication library that gives you full control. No magic, no lock-in—just well-designed primitives for building auth.

Authentication for modern applications
Kinde provides powerful authentication with a generous free tier. User management, feature flags, and billing—everything you need to launch and grow.

Identity platform for application builders
Auth0 is the enterprise identity platform that handles authentication, authorization, and user management at scale. Battle-tested security for any application.