MobX Dart - Hassle-free, reactive state-management for your Dart and Flutter apps. Dart Code - Dart SDK, including the VM, dart2js, core libraries, and more. Quiver - Set of utility libraries for Dart. realtime-dart - Listens to changes in a PostgreSQL Database and via websockets. OverReact - Library for building statically-typed React UI components using Dart. image - Dart library for decoding/encoding image formats, and image processing. Ferry - Simple, powerful GraphQL Client for Flutter and Dart. ffi - Utilities for working with Foreign Function Interface (FFI) code. Fpdart - Functional programming in Dart and Flutter. Context - HashMap with shadowing (inherits parent values) and helpers to work with Types as keys.