Auth.js
🔐 Auth & SecuritySuccessor to NextAuth supporting Next.js, SvelteKit, SolidStart, and Express.
Quick Overview
Auth.js is a free tool in the Auth & Security category. Successor to NextAuth supporting Next.js, SvelteKit, SolidStart, and Express.
Other popular tools in this category include Clerk, Supabase Auth, NextAuth. See our full Auth & Security directory for all options.
We test every tool hands-on before listing it. Read our review methodology to learn how we evaluate tools.
Frequently Asked Questions
Is Auth.js free?
Yes, Auth.js is completely free to use.
What are the best Auth.js alternatives?
Popular alternatives to Auth.js in the Auth & Security category include Clerk, Supabase Auth, NextAuth, Auth0, 1Password. Each has different strengths depending on your specific needs and budget.
Who should use Auth.js?
Auth.js is best suited for growth-stage companies with established teams. It fits well in the Auth & Security category for teams that need a reliable solution in this space.
The Auth & Security Landscape
There are 48 tools in the Auth & Security category on Fewer Tools. Our top pick is 1Password. The right choice depends on your stage, budget, and specific needs.
Drop-in auth with beautiful components. User management UI that actually looks good out of the box.
Free auth that comes with Supabase. Social logins, magic links, RLS. No-brainer if you're there.
Auth for Next.js that's free and flexible. Now Auth.js, works with any framework too.
Enterprise auth that handles every edge case. Overkill for side projects, essential for serious apps.
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