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Auth can be good.
Stack Auth provides anopen-source suite of tools for authentication and user management. Do auth in minutes.
npx @stackframe/init-stack@latest
Seamless integration adapted to your needs
Organizations & teams
Manage B2B customers with orgs & teams, supporting email invitations, team components, and management tools.
Permissions & RBAC
Define arbitrary permission trees and org-wide roles.
3rd-party OAuth
Access third-party OAuth APIs such as Gmail or OneDrive without having to think about OAuth flows or token refreshes.
Login to your account
Enter your email below to create your account
Wide range of features
for all kinds of apps
Password, SSO, 2FA, and more
Beautifully styled components to help you get started quickly. No need to worry about design and internal logic.
Impersonation
Impersonate users to debug issues or help your customers.
Headless or headful UI
Integrate ourshadcn/ui components, or build your own with our headless SDK.
Rest API
Use our client and server APIs to build custom front- and backends.
No JWT setup required
StackAuth manages JWTs and access tokens for you, so you get the performance benefits without ever having to think about them.
Webhooks
Sync with Slack, your database, or any other service.
And many more new features
every week
is made with love
As an open-source project, we're powered by our amazing community.
Here's what our users have to say.
"We were able to replace our Clerk implementation with Stack in a matter of hours. It's empowering to have the flexibility of an open-source alternative with a simple to use interface and a responsive team!"
"It's so easy to get Stack Auth up and running, and the founders are amazing too!"
"Can't wait to rip clerk out of my app 🙂"
"We were able to replace our Clerk implementation with Stack in a matter of hours. It's empowering to have the flexibility of an open-source alternative with a simple to use interface and a responsive team!"
"It's so easy to get Stack Auth up and running, and the founders are amazing too!"
"Can't wait to rip clerk out of my app 🙂"
"React <Components /> as the universal integration API"
"Just discovered Stack Auth, Is the auth pain finally over ? Or getting close..."
"I'm impressed with Stack Auth's ease of use, customizability, and security features. If you're looking for a reliable and developer-friendly user authentication and authorization solution, Stack Auth is definitely worth considering."
"React <Components /> as the universal integration API"
"Just discovered Stack Auth, Is the auth pain finally over ? Or getting close..."
"I'm impressed with Stack Auth's ease of use, customizability, and security features. If you're looking for a reliable and developer-friendly user authentication and authorization solution, Stack Auth is definitely worth considering."
"I had Stack Auth up and running in no time, and it's exactly what I needed for my project. Anyone else using this for their apps?"
"I would just like to say, Thank you Stack Auth!"
"The experience so far setting up Stack Auth was world class. Good luck guys! And, keep executing on that smooth simplicity!"
"I had Stack Auth up and running in no time, and it's exactly what I needed for my project. Anyone else using this for their apps?"
"I would just like to say, Thank you Stack Auth!"
"The experience so far setting up Stack Auth was world class. Good luck guys! And, keep executing on that smooth simplicity!"
