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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 45.8k

  2. TypeScript TypeScript Public

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

    Go 112k 17k

  3. PowerToys PowerToys Public

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

    C 139k 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 8378 repositories
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 3,162 MIT 176 127 28 Updated Oct 17, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 193,792 MIT 45,753 5,000+ (467 issues need help) 2,912 Updated Oct 17, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 706 MIT 477 275 522 Updated Oct 17, 2026
  • EvalsforAgentsInterop Public

    Redefine agentic evaluation in enterprise AI. By simulating realistic scenarios, these evals enables rigorous, multi-dimensional assessment of LLM-powered productivity agents.

    microsoft/EvalsforAgentsInterop's past year of commit activity
    TypeScript 40 MIT 4 1 16 Updated Oct 17, 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 1,016 MIT 208 127 32 Updated Oct 18, 2026
  • AnalyticsHub-Dashboard Public

    One installer sets up an app on Microsoft Fabric or Azure that shows Microsoft 365 Copilot and agent adoption, value, consumption and governance.

    microsoft/AnalyticsHub-Dashboard's past year of commit activity
    TypeScript 5 MIT 2 10 4 Updated Oct 18, 2026
  • GitHubCopilot_Customized Public template

    GitHub Universe 2025: GitHub Copilot, Customized

    microsoft/GitHubCopilot_Customized's past year of commit activity
    TypeScript 66 38 13 7 Updated Oct 17, 2026
  • FLAML Public

    A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

    microsoft/FLAML's past year of commit activity
    Jupyter Notebook 4,409 MIT 576 153 (9 issues need help) 35 Updated Oct 17, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs's past year of commit activity
    Rust 12,832 Apache-2.0 682 48 0 Updated Oct 17, 2026
  • mu_basecore Public

    Project Mu BaseCore

    microsoft/mu_basecore's past year of commit activity
    C 290 193 10 10 Updated Oct 17, 2026
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