Indie Alternatives

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Clerk

Drop-in authentication and user management for web apps

Clerk provides prebuilt sign-in components, user management, organizations and session handling for React, Next.js and other frameworks.

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Pricing: Free plan

Platforms: Web, API

Categories: Developer Tools, Security & Privacy

Clerk is an alternative to

Auth0 · Firebase Auth · Auth.js

Looking for something else? See 7 alternatives to Clerk.

Clerk compared with similar tools

ProductPriceOpen sourceSelf-hostPlatforms
ClerkFree plan––Web, API
FusionAuthFree plan–YesWeb, Self-hosted, API
Hexclave (formerly Stack Auth)Free planYesYesWeb, Self-hosted, API
KindeFree plan––Web, API
HankoFree planYesYesWeb, Self-hosted, API
SuperTokensFree planYesYesWeb, Self-hosted, API
LogtoFree planYesYesWeb, Self-hosted, API

Similar to Clerk

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 ↗

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 ↗

Kinde

Auth, feature flags and billing for SaaS products

Kinde offers authentication, user management, feature flags and subscription billing for B2B and B2C apps.

Free plan · Web, API · Website ↗

Hanko

Open-source passkey-first authentication

Hanko provides passkey and passwordless authentication with drop-in web components, hosted or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

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 ↗

Logto

Open-source auth and identity for SaaS and AI apps

Logto provides sign-in experiences, OIDC, multi-tenancy, RBAC and SSO, available as cloud or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

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 ↗

ZITADEL

Open-source identity infrastructure for multi-tenant apps

ZITADEL provides authentication, SSO, passkeys and multi-tenancy for B2B apps, as a cloud service or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

Questions

Is Clerk free?

Clerk is free to start, with paid plans.

What platforms does Clerk run on?

Clerk is available for Web, API.

What are some alternatives to Clerk?

Similar indie products include FusionAuth, Hexclave (formerly Stack Auth), Kinde, Hanko and 4 more.

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