What is Stack Auth?

Stack Auth is a managed user authentication solution. It is developer-friendly and fully open-source & self-hostable. Stack gets you started in just five minutes, after which you'll be ready to use all of its features as you grow your project.

Do you use Stack Auth?

Recent Launches

Stack Auth (YC S24) Open-source Auth0/Clerk alternative

Launched on August 2nd, 2024

Alternatives

Authenticator App by 2Stable

4 reviews

Authentication & identity tools

Review Stack Auth?

5/5 based on 1 review

Maker reviews

John Thompson used this to build

Quetzal

(79 points)

I love Stack for being open source and making it super easy to add auth. Love the team and love the product!

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4mo ago

Reviews

Asahiii

•1 review

Its really easy to use and do most of the work for me like i dont have to worry much about authentication nd designing Stack Auth takes care of it

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5mo ago