nextjs-firebase-starter

A production-ready starter template for building full-stack web applications with Next.js 15, React 19, and Firebase. This template ships with email/password authentication, Firestore data helpers, a route-protected admin page, and a global auth context so you can skip the boilerplate. Maintained by milliorn on GitHub, where it has earned 158 stars from the community.

It's actively developed around authentication, authentification, crud, and is a solid reference for anyone building with these tools.