1.supertokens / supertokens-core
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
+41 stars
from 15,300 · score 3.74
Ranked by Attention Score: stars gained over the last 30 complete days
4 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications