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Open source projects and samples from Microsoft
README.md

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 181k 37.7k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 129k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.2k 4.5k

Repositories

Showing 10 of 7541 repositories
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 6,957 MIT 1,102 619 122 Updated Feb 4, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,197 MIT 6,001 1,104 521 Updated Feb 4, 2026
  • hcsshim Public

    Windows - Host Compute Service Shim

    microsoft/hcsshim’s past year of commit activity
    Go 639 MIT 275 67 64 Updated Feb 4, 2026
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 17,176 1,192 701 (12 issues need help) 59 Updated Feb 4, 2026
  • azure-pipelines-agent Public

    Azure Pipelines Agent 🚀

    microsoft/azure-pipelines-agent’s past year of commit activity
    C# 1,871 MIT 914 72 136 Updated Feb 4, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,570 MIT 334 1,017 (2 issues need help) 51 Updated Feb 4, 2026
  • power-pages-samples Public

    A repo containing sample websites for Power Pages.

    microsoft/power-pages-samples’s past year of commit activity
    24 MIT 15 1 37 Updated Feb 4, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,191 MIT 3,681 863 391 Updated Feb 4, 2026
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 128,966 MIT 7,670 5,000+ (211 issues need help) 97 Updated Feb 4, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents) to start your project off right, or upgrade your existing projects to get the most out of all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 90 MIT 37 48 (18 issues need help) 8 Updated Feb 4, 2026
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