Open source alternative to Auth0 and Firebase
Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps - authgear/authgear-server
Quick read
Authgear is an open-source authentication platform offering a self-hosted or cloud service for consumer auth (passwordless, passkeys, MFA, SSO). Developers visit to deploy or integrate a production-ready, extensible Auth0/Keycloak alternative with SDKs and an admin portal.
- Run a self-hosted Authgear server for production authentication
- Use pre-built AuthUI and portal for signup, login, and user management
- Integrate via SDKs and Admin GraphQL API for apps and automation
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Open source alternative to Auth0 and Firebase was shared on NexURLs by skilo on October 17, 2026, in Tech & AI.
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