Best Open Source Authentication & SSO Projects
Authelia
Single sign-on and two-factor authentication portal
★ 26,560 Updated: Feb 2026 Status: Slowing
Authentik
Open-source Identity Provider
★ 19,977 Updated: Feb 2026 Status: Slowing
SuperTokens
Open source alternative to Auth0 and Cognito.
★ 15,333 Updated: Oct 2026 Status: Active
Aegis
Free and secure 2FA app for Android
★ 11,858 Updated: Jan 2026 Status: Slowing
Cerbos
Open-source authorization solution
★ 4,205 Updated: Feb 2026 Status: Slowing
AuthPass
Password manager for mobile and desktop
★ 2,610 Updated: Jan 2026 Status: Slowing