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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 184k 39.1k

  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# 131k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.7k 4.5k

Repositories

Showing 10 of 7751 repositories
  • agent-governance-toolkit Public

    AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

    microsoft/agent-governance-toolkit’s past year of commit activity
    Python 863 MIT 157 27 (7 issues need help) 23 Updated Apr 9, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,598 MIT 39,055 5,000+ (508 issues need help) 1,604 Updated Apr 9, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,438 MIT 6,602 1,150 393 Updated Apr 9, 2026
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 424 MIT 349 196 59 Updated Apr 9, 2026
  • aspire Public

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

    microsoft/aspire’s past year of commit activity
    C# 5,792 MIT 857 1,660 (4 issues need help) 122 Updated Apr 9, 2026
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 131,456 MIT 7,866 5,000+ (203 issues need help) 114 Updated Apr 9, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,640 616 80 9 Updated Apr 9, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,080 283 82 36 Updated Apr 9, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,598 MIT 609 186 525 Updated Apr 9, 2026
  • webui Public

    WebUI is a language-agnostic server-side rendering framework that compiles HTML templates into a binary protocol at build time and uses Web Components Islands Architecture for client-side interactivity. There is no JavaScript runtime on the server - rendering is Rust-native, sub-millisecond, and available from any backend language.

    microsoft/webui’s past year of commit activity
    Rust 7 MIT 0 8 (1 issue needs help) 0 Updated Apr 9, 2026
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