Best Open Source Auth & SSO Software

A collection of the best open source Auth & SSO tools. Find the best tools for Auth & SSO that are open source and free to use/self-hostable.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Identity infrastructure for developers

Auth and user management for the passkey era

Open source API authentication and authorization

Open-source, end-to-end encrypted platform to manage, sync and share environment variables.

🔑 Share access for teams - self-hosted solution for teams with single sign-on for easy, secure shared access to servers, databases or applications.

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