Get cross-platform apps quickly with Flutter, ideal for startup founders, with 177k+ GitHub stars
177,606 stars30,587 forksDartQuality 9/10Updated 7/2/2026100% free ยท open source
What it does
Flutter allows you to build natively compiled, cross-platform mobile, web, and desktop applications from a single codebase using the Dart language.
Install / run
git clone https://github.com/flutter/flutter.git
When to use it
โขYou need to quickly develop and deploy a mobile app for both iOS and Android
โขYou want to leverage a single codebase for multiple platforms, including web and desktop
โขYour startup requires a high-performance, customizable UI that can be easily maintained
Quick start
1Run 'flutter doctor' in your terminal to check if your environment is set up correctly for Flutter development
2Create a new Flutter project by running 'flutter create my_app'
3Open the 'lib/main.dart' file to start coding your app, using Flutter's widget-based UI framework
4Use 'flutter run' to launch your app on a connected device or emulator
5Customize your app's theme and layout by editing the 'pubspec.yaml' file and using Flutter's built-in widgets
Ready-to-paste prompt
flutter create --org com.example my_app && cd my_app && flutter run
Heads up: You need to have the Dart SDK installed on your system, and ensure that your system meets the minimum requirements for Flutter development, including a compatible version of Android Studio or Visual Studio Code
Saves to your device
Topics
android
app-framework
cross-platform
dart
dart-platform
desktop
flutter
flutter-package
fuchsia
ios
linux-desktop
macos
material-design
mobile
mobile-development
skia
web
web-framework
windows
What's inside โ free to inspect
No purchase needed
Read the entire source before you build โ unlike paid marketplaces that hide it behind a buy button.