supertokens

supertokens-core

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

15k stars665 forks65 watchers132 open issuesJavaNOASSERTION

EDITOR'S TAKE

Self-hostable auth backend with managed cloud option. Full session management, user management dashboard, multi-tenancy. Good middle ground between rolling your own and using a SaaS like Auth0.

Use this if

You want full control over auth data, self-hosting capability, and a working admin dashboard.

Skip if

You want zero ops — managed providers will be less work.