Startup Alternatives
Auth & Identity4 alternatives

Alternatives to Firebase Auth

Firebase Auth is easy to start but Google-bound. These alternatives keep DX without lock-in.

Top indie alternatives

Smaller, founder-led tools that quietly compete with Firebase Auth.

SuperTokens

Open-source auth.

Drop-in replacement, no Google strings attached.

$0 + usageOSS

Hanko

Open-source passkey auth.

Free and open source.

$59/moOSS

Lucia Auth

BYO-DB auth library.

Tiny, hackable TS library.

OSSOSS

Better Auth

TypeScript auth framework.

Comprehensive indie auth library.

OSSOSS
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