A curated collection of the 10 best open source alternatives to Clerk.
The best open source alternative to Clerk is Hanko. If that does not suit you, we have compiled a ranked list of other open source Clerk alternatives to help you find a suitable replacement.
Clerk alternatives are mainly Authentication & SSO. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Clerk.
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data an
Open source authentication platform supporting passkeys, 2FA, SSO, and soc...
A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integ
A comprehensive authentication framework offering email/password, social s...
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
authentik is an open-source identity provider that offers self-hosted auth...
Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.
Open-source authentication solution offering flexible, self-hosted user ma...
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
ZITADEL provides a comprehensive identity management solution with easy AP...
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
Ory is a certified and battle-tested identity solution backed by a large o...
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
An open-source identity solution offering customizable login experiences, ...
Stack Auth provides secure authentication, authorization, and user management for developers in just 5 minutes.
Stack Auth provides secure authentication, authorization, and user managem...
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust suppor
Authgear is a managed IAM platform handling authentication, SSO, and user ...
Complete B2B authentication solution with SSO, role management, API security, and pre-built UI components. Ship enterprise-grade auth in just a few li
Complete B2B authentication solution with SSO, role management, API securi...
