Add authentication and user management to your Next.js app.

## Available SDK Guides

- [Next.js](https://clerk.com/docs/nextjs/getting-started/quickstart.md)
- [React](https://clerk.com/docs/react/getting-started/quickstart.md)
- [JavaScript](https://clerk.com/docs/js-frontend/getting-started/quickstart.md)
- [Chrome Extension](https://clerk.com/docs/chrome-extension/getting-started/quickstart.md)
- [Expo](https://clerk.com/docs/expo/getting-started/quickstart.md)
- [Android](https://clerk.com/docs/android/getting-started/quickstart.md)
- [iOS](https://clerk.com/docs/ios/getting-started/quickstart.md)
- [Express](https://clerk.com/docs/expressjs/getting-started/quickstart.md)
- [Fastify](https://clerk.com/docs/fastify/getting-started/quickstart.md)
- [React Router](https://clerk.com/docs/react-router/getting-started/quickstart.md)
- [TanStack Start](https://clerk.com/docs/tanstack-react-start/getting-started/quickstart.md)
- [Go](https://clerk.com/docs/go/getting-started/quickstart.md)
- [Astro](https://clerk.com/docs/astro/getting-started/quickstart.md)
- [Nuxt](https://clerk.com/docs/nuxt/getting-started/quickstart.md)
- [Vue](https://clerk.com/docs/vue/getting-started/quickstart.md)
- [Ruby](https://clerk.com/docs/ruby/getting-started/quickstart.md)

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## Sitemap

[Overview of all docs pages](https://clerk.com/docs/llms.txt)