Does Clerk Have Open Source?
By ToolVS Research Team ยท Last checked April 1, 2026
โ ๏ธ
PARTIAL
Clerk's platform is proprietary, but its client SDKs and UI components are open source.
What We Found
We checked this in April 2026 and here's what we found โ The Clerk backend and infrastructure are proprietary. However, Clerk's JavaScript SDK, React components, Next.js integration, and other client libraries are open source on GitHub. The pre-built UI components (SignIn, SignUp, UserProfile) are open source.
Limitations
- โ ๏ธ Core platform is proprietary
- โ ๏ธ Backend is closed source
- โ ๏ธ Open source limited to client-side libraries
Need Open Source? These Tools Have It
Try Clerk Yourself
See if open source meets your needs. Most tools offer a free trial or free plan to get started.
Try ClerkFree โMore About Clerk
Does Clerk have free plan?โ
YESDoes Clerk have pre-built ui components?โ
YESDoes Clerk have webhooks?โ
YESDoes Clerk have sso/saml?โ
YESDoes Clerk have 2fa?โ
YESDoes Clerk have custom domain?โ
YES
Frequently Asked Questions
Does Clerk have open source on mobile?
Clerk has limited open source support, and on mobile the experience may be even more restricted. We recommend checking their mobile app directly for current availability.
Is open source available on Clerk's free plan?
Clerk has limited open source support, and availability may depend on your plan tier. Free plans typically have more restrictions. Review their pricing page for details.
What are the best alternatives to Clerk for open source?
For open source, consider Auth0. These tools offer this feature and may better suit your needs. Check our comparison pages for detailed side-by-side analysis.
About this check: We verify feature availability by reviewing official documentation, testing the product directly, and monitoring changelog updates. Information was last verified on April 1, 2026. Features and pricing may have changed since our last check.Our methodology โ