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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 194k 44.9k

  2. TypeScript TypeScript Public

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

    Go 112k 16.1k

  3. PowerToys PowerToys Public

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

    C 140k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8416 repositories
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,360 MIT 714 27 202 Updated Oct 31, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx's past year of commit activity
    C# 1,056 MIT 312 56 17 Updated Oct 31, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,408 MIT 44,931 5,000+ (462 issues need help) 3,050 Updated Oct 31, 2026
  • vscode-python-web-wasm Public

    An extension allows to run Python code in a Web browser using WebAssembly technology

    microsoft/vscode-python-web-wasm's past year of commit activity
    Python 100 MIT 16 7 3 Updated Oct 31, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,266 MIT 11,683 1,405 5,000+ Updated Oct 31, 2026
  • AI-Engineering-Coach Public

    better agentic engineering

    microsoft/AI-Engineering-Coach's past year of commit activity
    TypeScript 4,355 MIT 608 32 26 Updated Oct 31, 2026
  • onnxruntime-genai Public

    Generative AI with ONNX Runtime

    microsoft/onnxruntime-genai's past year of commit activity
    C++ 1,148 MIT 374 164 133 Updated Oct 31, 2026
  • pxt-arcade Public

    Arcade game editor based on Microsoft MakeCode

    microsoft/pxt-arcade's past year of commit activity
    TypeScript 549 MIT 266 581 (21 issues need help) 50 Updated Oct 31, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer's past year of commit activity
    Rust 183 MIT 31 1 31 Updated Oct 31, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,389 MIT 1,029 2,467 (2 issues need help) 399 Updated Oct 31, 2026
View all repositories

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