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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 195k 43.8k

  2. TypeScript TypeScript Public

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

    Go 112k 14.7k

  3. PowerToys PowerToys Public

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

    C 141k 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# 28.8k 4.9k

Repositories

Showing 10 of 8444 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,303 MIT 12,248 1,354 5,000+ Updated Nov 10, 2026
  • nvx Public

    Cross-Platform Micro-VM Sandbox for Agentic Workloads

    microsoft/nvx's past year of commit activity
    Rust 834 MIT 56 172 20 Updated Nov 10, 2026
  • Omex Public

    Shared components used by the Omex team to build scalable and highly available distributed systems

    microsoft/Omex's past year of commit activity
    C# 79 MIT 41 10 12 Updated Nov 10, 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# 1,058 MIT 314 39 8 Updated Nov 10, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,411 MIT 1,039 2,148 (2 issues need help) 412 Updated Nov 10, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go's past year of commit activity
    Go 434 BSD-3-Clause 46 62 4 Updated Nov 10, 2026
  • fluentui-system-icons Public

    Fluent System Icons are a collection of familiar, friendly and modern icons from Microsoft.

    microsoft/fluentui-system-icons's past year of commit activity
    HTML 10,972 MIT 813 188 (1 issue needs help) 37 Updated Nov 10, 2026
  • rnx-kit Public

    Modern, scalable tools. Exceptional developer experience.

    microsoft/rnx-kit's past year of commit activity
    TypeScript 1,740 MIT 118 5 5 Updated Nov 10, 2026
  • power-platform-skills Public

    A plugin marketplace for GitHub Copilot and other AI agents that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills's past year of commit activity
    JavaScript 1,129 MIT 226 146 27 Updated Nov 10, 2026
  • waza Public

    CLI / Framework for Agent Skills - create, test, measure and improve skill quality and effectiveness

    microsoft/waza's past year of commit activity
    Go 1,508 MIT 101 53 19 Updated Nov 10, 2026
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