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@dart-lang

Dart

Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.

Dart

An approachable, portable, and productive language for high-quality apps on any platform

Dart is:

  • Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.

  • Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app. Diagnose app issues using DevTools.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the main branch).

Security & reporting vulnerabilities

To report potential vulnerabilities, please see our security policy on https://dart.dev/security.

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  1. sdk sdk Public

    The Dart SDK, including the VM, JS and Wasm compilers, analysis, core libraries, and more.

    Dart 10.6k 1.7k

  2. language language Public

    Design of the Dart language

    TeX 2.8k 214

  3. site-www site-www Public

    The source for the Dart website.

    Dart 987 721

  4. dart-pad dart-pad Public

    An online Dart editor with support for console, web, and Flutter apps.

    Dart 1.8k 582

  5. web web Public

    Lightweight browser API bindings built around JS static interop.

    Dart 150 32

Repositories

Showing 10 of 42 repositories
  • build Public

    A build system for Dart written in Dart

    dart-lang/build’s past year of commit activity
    Dart 805 BSD-3-Clause 213 135 7 Updated May 22, 2025
  • sdk Public

    The Dart SDK, including the VM, JS and Wasm compilers, analysis, core libraries, and more.

    dart-lang/sdk’s past year of commit activity
    Dart 10,609 BSD-3-Clause 1,658 5,000+ (1 issue needs help) 1 Updated May 22, 2025
  • co19 Public

    A Dart language and library conformance test suite

    dart-lang/co19’s past year of commit activity
    Dart 40 BSD-3-Clause 28 20 10 Updated May 22, 2025
  • labs Public

    This repository is home to Dart 'labs' packages.

    dart-lang/labs’s past year of commit activity
    Dart 30 BSD-3-Clause 5 47 7 Updated May 22, 2025
  • tools Public

    This repository is home to tooling related Dart packages.

    dart-lang/tools’s past year of commit activity
    Dart 62 BSD-3-Clause 53 535 (11 issues need help) 15 Updated May 22, 2025
  • ai Public

    A general repository for AI / GenAI packages and explorations.

    dart-lang/ai’s past year of commit activity
    Dart 70 BSD-3-Clause 13 14 2 Updated May 21, 2025
  • dart-pad Public

    An online Dart editor with support for console, web, and Flutter apps.

    dart-lang/dart-pad’s past year of commit activity
    Dart 1,777 BSD-3-Clause 582 117 (1 issue needs help) 3 Updated May 21, 2025
  • site-www Public

    The source for the Dart website.

    dart-lang/site-www’s past year of commit activity
    Dart 987 721 119 7 Updated May 21, 2025
  • native Public

    Dart packages related to FFI and native assets bundling.

    dart-lang/native’s past year of commit activity
    Dart 197 BSD-3-Clause 67 419 (19 issues need help) 15 Updated May 21, 2025
  • leak_tracker Public

    A framework for memory leak tracking for Dart and Flutter applications.

    dart-lang/leak_tracker’s past year of commit activity
    Dart 423 BSD-3-Clause 23 16 2 Updated May 21, 2025

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