Clerk

clerk.com/

Clerk sells drop-in authentication and user-management components — sign-up/sign-in UI, social login, MFA, multi-tenancy for B2B SaaS, and subscription billing — aimed at developers who don't want to build auth from scratch. The homepage frames itself against a narrower category with the line "More than authentication," then backs it with actual code snippets like `<SignUp />` rather than screenshots. Its trust section is unusually dense with named executives rather than logos alone: quotes from Vercel's Guillermo Rauch and Stripe's Patrick Collison sit alongside eleven customer names. Pricing is stated plainly in the hero area — free for the first 50,000 monthly active users, no credit card — and the footer links to an "llms.txt" file indexing the site for AI crawlers. No About page is linked.

Category

Developer Tools

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Next.jsTailwind CSS

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Meta title

Clerk | Authentication and User Management

Sections

8

Updated

Sep 22, 2026

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