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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 37.5k

  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# 27.1k 4.4k

Repositories

Showing 10 of 7496 repositories
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 19 MIT 15 14 13 Updated Jan 18, 2026
  • aitour26-BRK445-building-enterprise-ready-ai-agents-with-microsoft-foundry Public
    microsoft/aitour26-BRK445-building-enterprise-ready-ai-agents-with-microsoft-foundry’s past year of commit activity
    C# 27 MIT 15 0 0 Updated Jan 18, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,140 MIT 5,927 1,065 384 Updated Jan 18, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 122 215 23 Updated Jan 18, 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 56 MIT 25 23 3 Updated Jan 18, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,011 MIT 3,655 829 377 Updated Jan 18, 2026
  • FlowQuery Public

    A declarative query language for data processing pipelines.

    microsoft/FlowQuery’s past year of commit activity
    TypeScript 5 MIT 1 0 0 Updated Jan 18, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,294 MIT 1,578 2 135 Updated Jan 18, 2026
  • go-images Public

    Docker image packaging and publishing for the Microsoft build of Go

    microsoft/go-images’s past year of commit activity
    PowerShell 20 BSD-3-Clause 8 0 0 Updated Jan 18, 2026
  • Oryx Public

    Build your repo automatically.

    microsoft/Oryx’s past year of commit activity
    C# 853 195 96 127 Updated Jan 18, 2026
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