SuperTokens
Identity & SSOOpen-source user authentication you can self-host
Replaces Auth0, Firebase Auth
6 self-hosted Firebase Auth alternatives
Firebase Auth is a popular proprietary tool in the identity & sso space. These open-source apps let you replace Firebase Auth with software you host and control yourself.
Best self-hosted Firebase Auth alternatives
ZITADEL
Identity & SSOCloud-native identity infrastructure with multi-tenancy built in
Replaces Auth0, Okta
Logto
Identity & SSODeveloper-friendly authentication and authorization platform
Replaces Auth0, Firebase Auth
Ory Kratos
Identity & SSOHeadless identity and user management API server
Replaces Auth0, Firebase Auth
Authgear
Identity & SSOOpen-source authentication and user management server
Replaces Auth0, Firebase Auth
Hello Identity Coop
Identity & SSOOpen-source authentication broker for passwordless login
Replaces Auth0, Firebase Auth
No apps match these filters.
Compare Firebase Auth alternatives
- Authgear vs Hello Identity Coop
- Authgear vs Logto
- Authgear vs Ory Kratos
- Authgear vs SuperTokens
- Authgear vs ZITADEL
- Hello Identity Coop vs Logto
- Hello Identity Coop vs Ory Kratos
- Hello Identity Coop vs SuperTokens
- Hello Identity Coop vs ZITADEL
- Logto vs Ory Kratos
- Logto vs SuperTokens
- Logto vs ZITADEL
- Ory Kratos vs SuperTokens
- Ory Kratos vs ZITADEL
- SuperTokens vs ZITADEL
Switching from Firebase Auth
Moving off Firebase Auth means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.