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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 166k 30.1k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 114k 6.7k

  4. terminal terminal Public

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

    C++ 96.5k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.7k 3.4k

Repositories

Showing 10 of 6613 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 8,988 MIT 4,707 836 388 Updated Jan 17, 2025
  • 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# 796 MIT 710 9 6 Updated Jan 17, 2025
  • CBL-Mariner-Linux-Kernel Public

    The source for the Linux kernel used in CBL-Mariner

    microsoft/CBL-Mariner-Linux-Kernel’s past year of commit activity
    C 38 26 0 1 Updated Jan 17, 2025
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet’s past year of commit activity
    C# 10,710 MIT 545 24 (13 issues need help) 10 Updated Jan 17, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,324 MIT 2,999 2,488 526 Updated Jan 17, 2025
  • botbuilder-js Public

    Welcome to the Bot Framework SDK for JavaScript repository, which is the home for the libraries and packages that enable developers to build sophisticated bot applications using JavaScript.

    microsoft/botbuilder-js’s past year of commit activity
    TypeScript 693 MIT 281 27 10 Updated Jan 17, 2025
  • roosterjs Public

    roosterjs is a framework-independent javascript rich text editor.

    microsoft/roosterjs’s past year of commit activity
    TypeScript 1,207 167 36 3 Updated Jan 17, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,006 MIT 244 256 (124 issues need help) 29 Updated Jan 17, 2025
  • kiota-dart Public

    Dart packages for generated Kiota client libraries

    microsoft/kiota-dart’s past year of commit activity
    Dart 9 MIT 2 2 (1 issue needs help) 0 Updated Jan 17, 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# 1,677 MIT 143 28 (3 issues need help) 23 Updated Jan 17, 2025
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