All alternatives › Firebase Auth
Indie alternatives to Firebase Auth
9 products made by independent developers and small teams that do what Firebase Auth does, 9 of them with a free plan. Free and open-source options come first.
At a glance
| Product | Price | Open source | Self-host | Platforms |
|---|---|---|---|---|
| Clerk | Free plan | – | – | Web, API |
| FusionAuth | Free plan | – | Yes | Web, Self-hosted, API |
| Hanko | Free plan | Yes | Yes | Web, Self-hosted, API |
| Hexclave (formerly Stack Auth) | Free plan | Yes | Yes | Web, Self-hosted, API |
| Kinde | Free plan | – | – | Web, API |
| Logto | Free plan | Yes | Yes | Web, Self-hosted, API |
| Ory | Free plan | Yes | Yes | Web, Self-hosted, API |
| SuperTokens | Free plan | Yes | Yes | Web, Self-hosted, API |
| ZITADEL | Free plan | Yes | Yes | Web, Self-hosted, API |
The alternatives
2. FusionAuth
Customer identity and auth you can run anywhere
FusionAuth is a downloadable or hosted CIAM platform with login, MFA, SSO and user management APIs.
Free plan · Web, Self-hosted, API · Website ↗
4. Hexclave (formerly Stack Auth)
Open-source user authentication and management platform
Hexclave, formerly Stack Auth, is an open-source authentication and user-management platform with prebuilt components and a dashboard.
Free plan · Web, Self-hosted, API · Website ↗
8. SuperTokens
Open-source authentication for your app
SuperTokens offers prebuilt login UI, session management and auth recipes that you can self-host or use managed.
Free plan · Web, Self-hosted, API · Website ↗
Questions
Is there a free alternative to Firebase Auth?
Yes. 9 of the 9 indie alternatives listed here have a free plan or are free: Clerk, FusionAuth, Hanko, Hexclave (formerly Stack Auth) and 5 more.
Is there an open-source alternative to Firebase Auth?
Hanko, Hexclave (formerly Stack Auth), Logto, Ory and 2 more are open source.
Can I self-host an alternative to Firebase Auth?
Yes: FusionAuth, Hanko, Hexclave (formerly Stack Auth), Logto and 3 more can run on your own server.
What makes these alternatives to Firebase Auth “indie”?
They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Firebase Auth.
Ask your AI instead
Add Indie Alternatives to ChatGPT, Claude or Cursor and ask “a cheaper Firebase Auth alternative that works on my Mac” in your own words, with your budget and platform. Set it up
Related
- Alternatives to Auth0 · 13
- Alternatives to Clerk · 7
- Alternatives to Okta · 5
- Alternatives to authentik · 4
- Alternatives to Auth.js · 3
- Alternatives to HashiCorp Vault · 3
- Alternatives to Snyk · 3
- Alternatives to Tailscale · 3
Browse: Developer Tools · Security & Privacy
Made one? List your product, it's free.