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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 32k

  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# 118k 7k

  4. terminal terminal Public

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

    C++ 98k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.3k 3.8k

Repositories

Showing 10 of 6796 repositories
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 24,313 MIT 3,793 421 58 Updated May 6, 2025
  • 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 70 MIT 12 0 0 Updated May 6, 2025
  • go Public

    The Microsoft build of Go

    microsoft/go’s past year of commit activity
    Go 365 BSD-3-Clause 32 160 8 Updated May 6, 2025
  • 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# 865 MIT 273 257 31 Updated May 6, 2025
  • azure-pipelines-agent Public

    Azure Pipelines Agent 🚀

    microsoft/azure-pipelines-agent’s past year of commit activity
    C# 1,779 MIT 878 107 103 Updated May 6, 2025
  • mssql-python Public
    microsoft/mssql-python’s past year of commit activity
    Python 90 6 12 5 Updated May 6, 2025
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 5,950 4,996 89 (1 issue needs help) 14 Updated May 6, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,314 MIT 5,024 900 375 Updated May 6, 2025
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 16,471 MIT 3,190 2,661 553 Updated May 6, 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 RD-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 4,308 MIT 371 21 27 Updated May 6, 2025
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