285+ open-source auth tools — OAuth, SSO, passkeys, MFA, and session management. Alternatives to Auth0, Clerk, and Firebase Auth.
Add enterprise SSO (SAML, OIDC), SCIM provisioning to your existing auth setup like Firebase, Auth0, or Cognito without rewrites. [](https://launchweek.dev/lw/2025#06)
Simplistic user authentication with pre-built back-office dashboard
Auto provision Let's Encrypt certificates and start a TLS server
Simple password manage with sharing features by group and user, but no administration interface
Zero-code log sanitization sidecar for Kubernetes that redacts PII from logs
Managed user authentication service with SSO
Complete CIAM solution with Enterprise SSO and extensive out-of-the-box enterprise features
Permissions and access-control as a service. [](https://launchweek.dev)
Enterprise SSO without rebuilding auth. The free plan includes unlimited monthly active users, unlimited organizations, 2 SSO & 2 SCIM connections
Real-time GitHub activity scanner
Security-centric authentication as a Service, including self-hosting
Embeddable authentication with SSO