Flutter is Google’s native app development framework written in Dart language developed by Google itself. You can develop applications for Android, iOS, Windows, Linux and Web app with one code base.
The following list of post will help you to build app with Flutter and Dart
A firebase – Flutter sample application for iOS and Android
A MongoDB-Flutter cloud application for project management
This project store todo items locally using NoSQL database, Hivedb, which is written in dart. Damn blazingly fast