This is a great article to learn how to build a chat application using Flutter and firebase. This article has everything from Firebase integration to Flutter along with access Auth, Sign-in, Cloud firebase, and storage services. This is a must-learn tutorial for beginners in Flutter development because it teaches much more about Firebase services and how to access them in Flutter to build a Chat application. This type of integration is adopted in some of the most amazing Flutter chat app templates that are in the market.