Flutter Favorites
Some of the packages that demonstrate the highest levels of quality, selected by the Flutter Ecosystem Committee
Flutter plugin for Firebase Crashlytics. It reports uncaught errors to the Firebase console.
A minimalist Flutter game engine, provides a nice set of somewhat independent modules you can choose from.
A reactive caching and data-binding framework. Riverpod makes working with asynchronous code a breeze.
Redux is a predictable state container for Dart and Flutter apps

Most popular packages
Some of the most downloaded packages over the past 30 days
A pluggable, mockable file system abstraction for Dart. Supports local file system access, as well as in-memory file systems, record-replay file systems, and chroot file systems.
Provides APIs for debugging and error logging, similar to loggers in other languages, such as the Closure JS Logger and java.util.logging.Logger.
Provides a standard representation for source code locations and spans.
Simple package for parsing pubspec.yaml files with a type-safe API and rich error reporting.
A dynamic parser framework to build efficient grammars and parsers quickly.
Useful Unicode glyphs and ASCII substitutes.
Top Flutter packages
Some of the top packages that extend Flutter with new features
Implementations of SHA, MD5, and HMAC cryptographic functions.
A versatile mapping package for Flutter, that's simple and easy to learn, yet completely customizable and configurable
A package for manipulating stack traces and printing them readably.
Toggle Switch - A simple toggle switch widget. It can be fully customized with desired icons, width, colors, text, corner radius etc. It also maintains selection state.
Flutter plugin for accessing accelerometer, gyroscope, and magnetometer sensors.
A video player for Flutter with Cupertino and Material play controls


Top Dart packages
Some of the top packages for any Dart-based app or program
A reactive caching and data-binding framework. Riverpod makes working with asynchronous code a breeze.
Improved json serialization and data classes with full support for generics, inheritance, customization and more.
Advanced error handler and logger package for flutter and dart. App monitoring, logs history, report sharing, custom logs, and etc.
A shelf handler for proxying HTTP requests to another server.
Static file server support for the shelf package and ecosystem.
ValueNotifier, but outside Flutter and with some extra perks
Package of the Week
Package of the Week is a series of quick, animated videos, each of which covers a particular package