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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 39.4k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

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

    C# 132k 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# 27.8k 4.6k

Repositories

Showing 10 of 7799 repositories
  • opentelemetry-distro-dotnet Public
    microsoft/opentelemetry-distro-dotnet’s past year of commit activity
    C# 0 1 3 4 Updated Apr 26, 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 1,259 MIT 239 11 1 Updated Apr 26, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,520 MIT 6,807 1,144 139 Updated Apr 26, 2026
  • edge-ai Public

    Production-ready Infrastructure as Code, applications, pluggable components, and PlatformOps toolchains that empower organizations to achieve more with cloud and edge AI-powered solutions. Built by friendly geeks, for every team that needs edge solutions to achieve real production results.

    microsoft/edge-ai’s past year of commit activity
    HCL 75 MIT 35 75 (1 issue needs help) 9 Updated Apr 26, 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# 1,003 MIT 292 192 23 Updated Apr 26, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,645 620 72 3 Updated Apr 26, 2026
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 686 MIT 95 9 2 Updated Apr 26, 2026
  • Dataverse-skills Public

    Microsoft Dataverse skills for AI coding agents. Wraps the Dataverse MCP server, Dataverse CLI, Python SDK, and PAC CLI behind specialist skills for building, querying, deploying, and administering Dataverse environments.

    microsoft/Dataverse-skills’s past year of commit activity
    79 MIT 14 1 5 Updated Apr 26, 2026
  • vs-validation Public

    Common input and integrity validation routines for Visual Studio and other applications

    microsoft/vs-validation’s past year of commit activity
    C# 137 28 3 2 Updated Apr 26, 2026
  • cppwinrt Public

    C++/WinRT

    microsoft/cppwinrt’s past year of commit activity
    C++ 1,835 MIT 274 7 14 Updated Apr 26, 2026
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