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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 181k 37.3k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7474 repositories
  • OpenAIWorkshop Public

    workshop materials to build intelligent solutions on Open AI

    microsoft/OpenAIWorkshop’s past year of commit activity
    Python 667 MIT 397 13 (1 issue needs help) 20 Updated Jan 12, 2026
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 101,342 MIT 9,017 1,653 (499 issues need help) 47 Updated Jan 12, 2026
  • artifacts-credprovider Public

    The Azure Artifacts Credential Provider enables dotnet, NuGet.exe, and MSBuild to interactively acquire credentials for Azure Artifacts feeds.

    microsoft/artifacts-credprovider’s past year of commit activity
    C# 912 MIT 730 15 7 Updated Jan 12, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,579 MIT 37,342 5,000+ (546 issues need help) 962 Updated Jan 12, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 319 MIT 224 36 (3 issues need help) 39 Updated Jan 12, 2026
  • mcp Public

    Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

    microsoft/mcp’s past year of commit activity
    C# 2,419 MIT 342 203 (26 issues need help) 54 Updated Jan 12, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents) to start your project off right, or upgrade your existing projects to get the most out of all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 52 MIT 23 16 4 Updated Jan 12, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,960 MIT 3,647 836 381 Updated Jan 12, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 6,487 MIT 1,017 527 101 Updated Jan 12, 2026
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 20 MIT 5 79 10 Updated Jan 12, 2026
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