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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 176k 34.8k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 123k 7.3k

  4. terminal terminal Public

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

    C++ 99.9k 8.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 26k 4.2k

Repositories

Showing 10 of 7055 repositories
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 8,476 MIT 1,167 0 43 Updated Sep 5, 2025
  • azurekorea Public
    microsoft/azurekorea’s past year of commit activity
    JavaScript 2 MIT 13 0 0 Updated Sep 5, 2025
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 16 MIT 2 55 6 Updated Sep 5, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 176,409 MIT 34,794 5,000+ (437 issues need help) 717 Updated Sep 5, 2025
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    microsoft/WindowsAppSDK’s past year of commit activity
    C++ 4,251 MIT 383 321 (14 issues need help) 38 Updated Sep 5, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 19,520 2,824 453 (7 issues need help) 204 Updated Sep 5, 2025
  • sbom-tool Public

    The SBOM tool is a highly scalable and enterprise ready tool to create SPDX 2.2 compatible SBOMs for any variety of artifacts.

    microsoft/sbom-tool’s past year of commit activity
    C# 1,870 MIT 172 43 (4 issues need help) 32 Updated Sep 5, 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 R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report

    microsoft/RD-Agent’s past year of commit activity
    Python 7,413 MIT 770 53 58 Updated Sep 5, 2025
  • chartifact Public

    Declarative, interactive data documents

    microsoft/chartifact’s past year of commit activity
    TypeScript 16 MIT 8 0 3 Updated Sep 5, 2025
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 392 MIT 333 197 50 Updated Sep 5, 2025
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