285+ open-source auth tools — OAuth, SSO, passkeys, MFA, and session management. Alternatives to Auth0, Clerk, and Firebase Auth.
Simplistic user authentication with pre-built back-office dashboard
Collection of cryptographic hash functions
Simple password manage with sharing features by group and user, but no administration interface
AWS's authentication as a service
Open-source API for enterprise SSO and Directory Sync
Passkey-first authentication as a service
Managed user authentication service with SSO
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)
Static application security testing (SAST) tool for JavaScript and Ruby stacks
Real-time GitHub activity scanner
Google Firebase's take on authentication
Complete CIAM solution with Enterprise SSO and extensive out-of-the-box enterprise features