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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 170k 31.6k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.1k 3.7k

Repositories

Showing 10 of 6759 repositories
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 380 MIT 34 61 0 Updated Apr 19, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,264 MIT 4,981 910 391 Updated Apr 19, 2025
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through our open source R&D automation tool RD-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 4,165 MIT 356 22 24 Updated Apr 19, 2025
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,256 MIT 417 36 7 Updated Apr 19, 2025
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic’s past year of commit activity
    C 4,277 MIT 560 180 (14 issues need help) 55 Updated Apr 19, 2025
  • navcontainerhelper Public

    Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.

    microsoft/navcontainerhelper’s past year of commit activity
    PowerShell 411 MIT 250 148 (16 issues need help) 4 Updated Apr 19, 2025
  • BCTech Public

    Business Central technology samples

    microsoft/BCTech’s past year of commit activity
    618 MIT 321 70 9 Updated Apr 19, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,151 MIT 248 251 (126 issues need help) 29 Updated Apr 19, 2025
  • verona-rt Public

    The runtime for the Verona project

    microsoft/verona-rt’s past year of commit activity
    C++ 33 MIT 17 5 6 Updated Apr 19, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 170,189 MIT 31,648 5,000+ (402 issues need help) 542 Updated Apr 19, 2025
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