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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 183k 38.5k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 130k 7.8k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7653 repositories
  • aspire.dev Public

    The official website for all things aspire.dev.

    microsoft/aspire.dev’s past year of commit activity
    MDX 108 MIT 56 80 28 Updated Mar 12, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,597 MIT 1,719 0 210 Updated Mar 12, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,617 MIT 38,464 5,000+ (523 issues need help) 1,269 Updated Mar 12, 2026
  • inshellisense Public

    IDE style command line auto complete

    microsoft/inshellisense’s past year of commit activity
    TypeScript 9,795 MIT 219 9 4 Updated Mar 12, 2026
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 975 MIT 264 125 23 Updated Mar 12, 2026
  • litebox Public

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

    microsoft/litebox’s past year of commit activity
    Rust 2,460 MIT 109 74 17 Updated Mar 12, 2026
  • openvmm Public

    Home of OpenVMM and OpenHCL

    microsoft/openvmm’s past year of commit activity
    Rust 1,809 MIT 173 184 (8 issues need help) 68 Updated Mar 12, 2026
  • finnts Public

    Microsoft Finance Time Series Forecasting Framework (FinnTS) is a forecasting package that utilizes cutting-edge time series forecasting and parallelization on the cloud to produce accurate forecasts for financial data.

    microsoft/finnts’s past year of commit activity
    R 252 49 3 6 Updated Mar 12, 2026
  • physical-ai-toolchain Public
    microsoft/physical-ai-toolchain’s past year of commit activity
    TypeScript 6 MIT 6 146 (17 issues need help) 4 Updated Mar 12, 2026
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 178 MIT 53 33 30 Updated Mar 12, 2026
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