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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 37.5k

  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 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# 27.1k 4.4k

Repositories

Showing 10 of 7509 repositories
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 321 MIT 226 36 (3 issues need help) 40 Updated Jan 22, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 620 MIT 122 215 22 Updated Jan 22, 2026
  • artifacts-credprovider Public

    The Azure Artifacts Credential Provider enables dotnet, NuGet.exe, and MSBuild to interactively acquire credentials for Azure Artifacts feeds.

    microsoft/artifacts-credprovider’s past year of commit activity
    C# 911 MIT 729 13 7 Updated Jan 22, 2026
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet’s past year of commit activity
    C# 11,677 MIT 631 20 (11 issues need help) 15 Updated Jan 22, 2026
  • PowerAppsCodeApps Public

    Create custom web applications to run within Power Apps!

    microsoft/PowerAppsCodeApps’s past year of commit activity
    TypeScript 279 MIT 78 15 14 Updated Jan 22, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,933 MIT 37,534 5,000+ (540 issues need help) 999 Updated Jan 22, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,311 MIT 1,592 0 129 Updated Jan 22, 2026
  • DataFactory.MCP Public
    microsoft/DataFactory.MCP’s past year of commit activity
    C# 3 MIT 2 13 2 Updated Jan 22, 2026
  • Agent365-Python-AI-First Public
    microsoft/Agent365-Python-AI-First’s past year of commit activity
    Python 0 MIT 0 4 10 Updated Jan 22, 2026
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    microsoft/pxt’s past year of commit activity
    TypeScript 2,258 MIT 617 210 (2 issues need help) 74 Updated Jan 22, 2026
View all repositories

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