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Indie alternatives to Clerk
7 products made by independent developers and small teams that do what Clerk does, 7 of them with a free plan. Free and open-source options come first.
At a glance
| Product | Price | Open source | Self-host | Platforms |
|---|---|---|---|---|
| Better Auth | Free plan | Yes | – | 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 |
| SuperTokens | Free plan | Yes | Yes | Web, Self-hosted, API |
The alternatives
1. Better Auth
Framework-agnostic authentication library for TypeScript
Better Auth is an open-source TypeScript auth library with email/password, social login, 2FA, organizations and a plugin system.
Free plan · API · Website ↗
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 ↗
7. 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 Clerk?
Yes. 7 of the 7 indie alternatives listed here have a free plan or are free: Better Auth, FusionAuth, Hanko, Hexclave (formerly Stack Auth) and 3 more.
Is there an open-source alternative to Clerk?
Better Auth, Hanko, Hexclave (formerly Stack Auth), Logto and 1 more are open source.
Can I self-host an alternative to Clerk?
Yes: FusionAuth, Hanko, Hexclave (formerly Stack Auth), Logto and 1 more can run on your own server.
What makes these alternatives to Clerk “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 Clerk.
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