Clerk
Authentication and user management for React and Next.js
Clerk launched on April 22, 2021 with 280 votes, #68 of 3,754 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 5 years on.
In plain words
Clerk provides authentication and user management for React and Next.js applications. It offers security features including two-factor authentication and device management, along with pre-built sign-up and sign-in forms designed to optimize conversions. The platform includes built-in theming options and open APIs for customization, allowing developers to integrate secure user authentication without building it from scratch.
written from the facts on this page · September 2026
From the sources
https://www.clerk.dev/?ref=producthunt&utm_source=producthunt&utm_campaign=launch&utm_medium=desc adds secure authentication and user management to your React or Next.js app 🔒 Essential security features like 2 factor auth and device management 📈 Conversion-optimized Sign Up and Sign In forms 🎨 Built-in theming and open APIs for easy customization
The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”.
Need more than sign-in? Clerk gives you full stack auth and user management — so you can launch faster, scale easier, and stay focused on building your business. Drop-in UI components for authentication, profile management, organization management, and billing. Match to your brand with any CSS library, then deploy to your own domain. Add user <SignUp/> and <SignIn/> , provide account access through a dropdown menu, and manage profile and security settings. Allow your users to create new organizations, switch between accounts, manage settings and billing, and view memberships and invitations. Display pricing plans with feature comparisons and subscription options to help your users choose…from clerk.com
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