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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 vscode Public

    Visual Studio Code

    TypeScript 193k 44.1k

  2. TypeScript TypeScript Public

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

    Go 111k 15.5k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8342 repositories
  • intelligent-terminal Public

    A fork of Windows Terminal with native agent integration, right in your command line.

    microsoft/intelligent-terminal's past year of commit activity
    C++ 2,036 MIT 162 69 66 Updated Oct 3, 2026
  • react-native-windows-samples Public

    A repository showcasing React Native samples and templates for Windows, macOS, and Surface Duo.

    microsoft/react-native-windows-samples's past year of commit activity
    C# 543 MIT 218 86 (2 issues need help) 85 Updated Oct 3, 2026
  • winappCli Public

    winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

    microsoft/winappCli's past year of commit activity
    C# 1,291 MIT 84 65 16 Updated Oct 3, 2026
  • microsoft-ui-xaml Public

    WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

    microsoft/microsoft-ui-xaml's past year of commit activity
    C++ 8,491 MIT 952 2,222 (18 issues need help) 216 Updated Oct 3, 2026
  • nvx Public

    Cross-Platform Micro-VM Sandbox for Agentic Workloads

    microsoft/nvx's past year of commit activity
    Python 188 MIT 13 41 (1 issue needs help) 11 Updated Oct 3, 2026
  • aspire.dev Public

    The official website for all things aspire.dev.

    microsoft/aspire.dev's past year of commit activity
    MDX 196 MIT 89 88 38 Updated Oct 3, 2026
  • Orchard-Agentic Public

    Orchard-Agentic is a collection of open-source work on agentic modeling

    microsoft/Orchard-Agentic's past year of commit activity
    Python 535 MIT 43 3 1 Updated Oct 3, 2026
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI's past year of commit activity
    C++ 686 MIT 73 45 0 Updated Oct 3, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,333 MIT 1,003 2,225 (2 issues need help) 248 Updated Oct 3, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,127 MIT 10,146 1,356 2,486 Updated Oct 3, 2026
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