Clerk
Drop-in authentication and user management for React apps.

About Clerk
In Clerk’s own words: “The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and The Modern Web.”
Clerk has a free plan.
People switching from Auth0 often consider Clerk.
Clerk is an alternative to
Similar to Clerk
- Amazon CognitoUser sign-up and sign-in on AWS.

- Firebase AuthenticationGoogle’s hosted auth with social and phone sign-in.

- KeycloakOpen-source identity and access management.

- StytchAuthentication and fraud prevention APIs.

- Supabase AuthOpen-source auth built into Supabase.

- WorkOSEnterprise SSO, directory sync and auth for B2B apps.

Listed for information; LaunchStall isn’t affiliated with Clerk. The quoted description comes from clerk.com. Features and plans change — check the official site for current details.
