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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 31.5k

  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++ 97.7k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.9k 3.7k

Repositories

Showing 10 of 6746 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 169,844 MIT 31,470 5,000+ (401 issues need help) 535 Updated Apr 11, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 16,237 MIT 3,146 2,629 569 Updated Apr 11, 2025
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 16,702 1,156 669 (12 issues need help) 35 Updated Apr 11, 2025
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 1,857 MIT 200 55 5 Updated Apr 11, 2025
  • azure-linux-image-tools Public
    microsoft/azure-linux-image-tools’s past year of commit activity
    Go 9 MIT 2 0 12 Updated Apr 11, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,139 MIT 247 255 (126 issues need help) 26 Updated Apr 11, 2025
  • windows-ai-studio-templates Public
    microsoft/windows-ai-studio-templates’s past year of commit activity
    Python 26 MIT 12 0 7 Updated Apr 11, 2025
  • DacFx Public

    DacFx, SqlPackage, and other SQL development libraries enable declarative database development and database portability across SQL versions and environments. Share feedback here on dacpacs, bacpacs, and SQL projects.

    microsoft/DacFx’s past year of commit activity
    C# 396 MIT 22 175 (4 issues need help) 6 Updated Apr 11, 2025
  • navcontainerhelper Public

    Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.

    microsoft/navcontainerhelper’s past year of commit activity
    PowerShell 410 MIT 249 149 (15 issues need help) 6 Updated Apr 11, 2025
  • Microsoft.AzureStack.Util.ConvertNetwork Public

    Microsoft.AzureStack.Util.ConvertNetwork assist with tasks such as converting between CIDR notation and subnet masks, calculating network and broadcast addresses, and subnetting networks.

    microsoft/Microsoft.AzureStack.Util.ConvertNetwork’s past year of commit activity
    PowerShell 0 MIT 0 0 0 Updated Apr 11, 2025
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