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Open source projects and samples from Microsoft
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Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode Public

    Visual Studio Code

    TypeScript 171k 32k

  2. TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 7k

  4. terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 98k 8.6k

  5. semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 24.3k 3.8k

Repositories

Showing 10 of 6799 repositories
  • vscode Public

    Visual Studio Code

    TypeScript 170,825 MIT 32,037 5,000+ (402 issues need help) 546 Updated May 7, 2025
  • react-native-test-app Public

    react-native-test-app provides an app for all supported platforms as a package

    TypeScript 638 MIT 95 16 (1 issue needs help) 1 Updated May 7, 2025
  • fluentui-contrib Public

    Monorepo for contributor extension packages to Fluent UI

    TypeScript 41 MIT 43 23 (1 issue needs help) 14 Updated May 7, 2025
  • OpenAIWorkshop Public

    workshop materials to build intelligent solutions on Open AI

    Python 511 MIT 299 18 11 Updated May 7, 2025
  • powerbi-visuals-utils-localizationutils Public

    Storage for PowerBI custom visuals localization string resources

    TypeScript 23 MIT 23 0 1 Updated May 7, 2025
  • Agents-for-net Public

    This repository is for active development of the Microsoft 365 Agent SDK components for .NET

    C# 82 MIT 44 24 13 Updated May 7, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    TypeScript 19,135 2,795 471 (8 issues need help) 188 Updated May 7, 2025
  • kiota Public

    OpenAPI based HTTP Client code generator

    C# 3,343 MIT 245 165 (43 issues need help) 25 Updated May 7, 2025
  • Deploy-Your-AI-Application-In-Production Public

    A deployment of a secure, extensible and integrated environment for running AI Foundry workloads in Production. It simplifies the process of including essential Azure services necessary to run mission-critical AI applications and adhere to Microsoft Well Architected Framework recommendations.

    Bicep 16 MIT 15 0 0 Updated May 7, 2025
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    C++ 4,002 MIT 351 456 27 Updated May 7, 2025
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