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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 181k 37.3k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7477 repositories
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 23,718 Apache-2.0 790 200 (1 issue needs help) 58 Updated Jan 13, 2026
  • 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.

    microsoft/WindowsAppSDK’s past year of commit activity
    C++ 4,398 MIT 407 334 (12 issues need help) 51 Updated Jan 13, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,586 MIT 37,343 5,000+ (546 issues need help) 961 Updated Jan 13, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,109 MIT 5,897 1,068 360 Updated Jan 13, 2026
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 101,345 MIT 9,017 1,653 (498 issues need help) 47 Updated Jan 13, 2026
  • 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 6,490 MIT 1,017 528 101 Updated Jan 13, 2026
  • msticpy Public

    Microsoft Threat Intelligence Security Tools

    microsoft/msticpy’s past year of commit activity
    Python 1,931 340 9 (1 issue needs help) 2 Updated Jan 12, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 976 MIT 291 209 16 Updated Jan 13, 2026
  • vscode-copilotstudio Public

    VS Code Extension for Copilot Studio

    microsoft/vscode-copilotstudio’s past year of commit activity
    58 MIT 6 14 1 Updated Jan 13, 2026
  • vscode-python-debugger Public

    Python debugger (debugpy) extension for VS Code.

    microsoft/vscode-python-debugger’s past year of commit activity
    TypeScript 144 MIT 86 119 (1 issue needs help) 15 Updated Jan 13, 2026
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