react-firebase-hooks by CSFrequency

The simplest way to add authentication to your React app. Supports various providers. Maintained by Swizec on GitHub, where it has earned 2,567 stars from the community.

Auth0 SDK for React Single Page Applications (SPA). Maintained by auth0 on GitHub, where it has earned 991 stars from the community.

Boilerplate Project for Authentication with Firebase in React. Maintained by the-road-to-react-with-firebase on GitHub, where it has earned 1,020 stars from the community.