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Open source projects and samples from Microsoft
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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 171k 32.3k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 119k 7k

  4. terminal terminal Public

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

    C++ 98.1k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.5k 3.8k

Repositories

Showing 10 of 6831 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,337 MIT 5,050 944 156 Updated May 18, 2025
  • dicom-server Public

    OSS Implementation of DICOMweb standard

    microsoft/dicom-server’s past year of commit activity
    C# 477 MIT 181 4 5 Updated May 18, 2025
  • vsmarketplace Public

    Customer feedback and issue tracker repository for Visual Studio Marketplace

    microsoft/vsmarketplace’s past year of commit activity
    101 MIT 17 148 0 Updated May 18, 2025
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through our open source R&D automation tool R&D-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 4,363 MIT 385 23 29 Updated May 18, 2025
  • Agents Public

    The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.

    microsoft/Agents’s past year of commit activity
    C# 198 MIT 58 52 3 Updated May 18, 2025
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 927 MIT 336 51 2 Updated May 18, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 171,217 MIT 32,306 5,000+ (401 issues need help) 546 Updated May 18, 2025
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 351 MIT 64 241 (1 issue needs help) 42 Updated May 18, 2025
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 588 MIT 110 208 23 Updated May 18, 2025
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 2,953 MIT 232 114 (18 issues need help) 33 Updated May 18, 2025
View all repositories

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