Skip to content
@microsoft

Microsoft

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.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 193k 42.9k

  2. TypeScript TypeScript Public

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

    Go 111k 14.5k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8299 repositories
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime's past year of commit activity
    C++ 21,903 MIT 4,240 830 902 Updated Sep 22, 2026
  • mxc Public

    Policy-driven, layered isolation and containment

    microsoft/mxc's past year of commit activity
    Rust 1,352 MIT 80 48 23 Updated Sep 22, 2026
  • PyRIT Public

    The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

    microsoft/PyRIT's past year of commit activity
    Python 4,526 MIT 898 53 (19 issues need help) 47 Updated Sep 22, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,097 MIT 9,742 1,314 2,627 Updated Sep 22, 2026
  • DirectXShaderCompiler Public

    This repo hosts the source for the DirectX Shader Compiler which is based on LLVM/Clang.

    microsoft/DirectXShaderCompiler's past year of commit activity
    C++ 3,654 900 646 126 Updated Sep 22, 2026
  • opentelemetry-distro-dotnet Public
    microsoft/opentelemetry-distro-dotnet's past year of commit activity
    C# 4 9 1 4 Updated Sep 22, 2026
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg's past year of commit activity
    CMake 27,480 MIT 7,735 857 263 Updated Sep 22, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,344 MIT 707 21 226 Updated Sep 22, 2026
  • ApplicationInsights-dotnet Public

    ApplicationInsights-dotnet

    microsoft/ApplicationInsights-dotnet's past year of commit activity
    C# 614 MIT 301 28 2 Updated Sep 22, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach's past year of commit activity
    C++ 152 MIT 35 1 (1 issue needs help) 1 Updated Sep 22, 2026
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member