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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 183k 38.8k

  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 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.6k 4.5k

Repositories

Showing 10 of 7707 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,412 MIT 6,500 1,138 425 Updated Mar 29, 2026
  • go-images-versions Public

    Detailed information about the last images published containing the Microsoft build of Go.

    microsoft/go-images-versions’s past year of commit activity
    3 MIT 4 0 0 Updated Mar 29, 2026
  • openvmm Public

    Home of OpenVMM and OpenHCL

    microsoft/openvmm’s past year of commit activity
    Rust 1,819 MIT 179 206 (7 issues need help) 94 Updated Mar 29, 2026
  • skills-for-copilot-studio Public

    A skill for AI-coding tools to build and edit Microsoft Copilot Studio agents as YAML — with schema validation, templates, and AI-powered skills. Suited for Claude Code, GitHub Copilot CLI, and more.

    microsoft/skills-for-copilot-studio’s past year of commit activity
    JavaScript 90 MIT 28 16 2 Updated Mar 29, 2026
  • 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 344 MIT 72 83 (6 issues need help) 15 Updated Mar 29, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,163 MIT 38,823 5,000+ (512 issues need help) 1,436 Updated Mar 29, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,638 614 78 7 Updated Mar 29, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,066 278 79 28 Updated Mar 29, 2026
  • mouselog Public

    🐾 A web-based tool for logging, visualizing and analyzing mouse events like movement and clicks.

    microsoft/mouselog’s past year of commit activity
    JavaScript 293 MIT 25 3 3 Updated Mar 29, 2026
  • PR-Metrics Public

    A GitHub Action & Azure Pipelines task for augmenting pull request titles to let reviewers quickly determine PR size and test coverage.

    microsoft/PR-Metrics’s past year of commit activity
    TypeScript 77 MIT 15 0 5 Updated Mar 29, 2026
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