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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 170k 31.3k

  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# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.6k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.8k 3.7k

Repositories

Showing 10 of 6736 repositories
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 56 Apache-2.0 1,207 0 20 Updated Apr 3, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 16,168 MIT 3,132 2,626 570 Updated Apr 3, 2025
  • openvmm Public

    Home of OpenVMM and OpenHCL.

    microsoft/openvmm’s past year of commit activity
    Rust 1,674 MIT 114 138 (5 issues need help) 52 Updated Apr 3, 2025
  • vscode-win32-app-container-tokens Public

    Native win32 Node.js addon to retrieve named pipes from app contains

    microsoft/vscode-win32-app-container-tokens’s past year of commit activity
    C++ 4 MIT 4 0 0 Updated Apr 3, 2025
  • mscclpp Public

    MSCCL++: A GPU-driven communication stack for scalable AI applications

    microsoft/mscclpp’s past year of commit activity
    C++ 327 MIT 45 20 14 Updated Apr 3, 2025
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit’s past year of commit activity
    PowerShell 362 MIT 131 179 (32 issues need help) 13 Updated Apr 3, 2025
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 18,802 Apache-2.0 561 37 27 Updated Apr 3, 2025
  • vscode-cpptools Public

    Official repository for the Microsoft C/C++ extension for VS Code.

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 5,704 1,581 1,377 (158 issues need help) 7 Updated Apr 3, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,133 MIT 247 247 (126 issues need help) 23 Updated Apr 3, 2025
  • verified-storage Public

    Storage systems with verified correctness properties

    microsoft/verified-storage’s past year of commit activity
    Rust 37 MIT 15 0 1 Updated Apr 3, 2025
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