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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 184k 39.4k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

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

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.8k 4.6k

Repositories

Showing 10 of 7799 repositories
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox’s past year of commit activity
    Rust 2,567 MIT 121 84 38 Updated Apr 25, 2026
  • aspire Public

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

    microsoft/aspire’s past year of commit activity
    C# 5,854 MIT 871 1,738 (4 issues need help) 146 Updated Apr 25, 2026
  • Game-Control-Puzzle-Event-Administration-Tools Public

    Event management software for the Microsoft Intern Game

    microsoft/Game-Control-Puzzle-Event-Administration-Tools’s past year of commit activity
    TypeScript 7 MIT 2 15 (2 issues need help) 14 Updated Apr 25, 2026
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 686 MIT 95 9 2 Updated Apr 25, 2026
  • sarif-sdk Public

    .NET code and supporting files for working with the 'Static Analysis Results Interchange Format' (SARIF, see https://github.com/oasis-tcs/sarif-spec)

    microsoft/sarif-sdk’s past year of commit activity
    C# 220 100 424 7 Updated Apr 25, 2026
  • power-pages-samples Public

    A repo containing sample websites for Power Pages.

    microsoft/power-pages-samples’s past year of commit activity
    36 MIT 19 1 39 Updated Apr 25, 2026
  • power-platform-skills Public

    A plugin marketplace for Claude Code/GitHub Copilot that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills’s past year of commit activity
    JavaScript 209 MIT 35 9 12 Updated Apr 25, 2026
  • libHttpClient Public

    libHttpClient provides a platform abstraction layer for HTTP and WebSocket, and is designed for use by the Microsoft Xbox Live Service API (XSAPI) [https://github.com/Microsoft/xbox-live-api] and game devs. If you want to contribute to the project, please talk to us to avoid overlap.

    microsoft/libHttpClient’s past year of commit activity
    C++ 293 MIT 140 10 1 Updated Apr 25, 2026
  • EventLogExpert Public
    microsoft/EventLogExpert’s past year of commit activity
    C# 267 MIT 31 1 1 Updated Apr 25, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,259 MIT 39,427 5,000+ (502 issues need help) 1,804 Updated Apr 25, 2026
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