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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 167k 30.6k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.8k

  4. terminal terminal Public

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

    C++ 97.1k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.1k 3.5k

Repositories

Showing 10 of 6664 repositories
  • 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# 10,809 MIT 552 28 (13 issues need help) 20 Updated Feb 18, 2025
  • fluentui-apple Public

    UIKit and AppKit controls for building native Microsoft experiences

    microsoft/fluentui-apple’s past year of commit activity
    Swift 917 MIT 172 25 7 Updated Feb 18, 2025
  • DynamicTelemetry Public

    Dynamic Telemetry

    microsoft/DynamicTelemetry’s past year of commit activity
    Python 4 MIT 0 0 0 Updated Feb 18, 2025
  • ai-dev-gallery Public

    An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

    microsoft/ai-dev-gallery’s past year of commit activity
    C# 827 MIT 94 42 (1 issue needs help) 7 Updated Feb 18, 2025
  • kiota-java Public

    Java libraries for Kiota-generated API clients.

    microsoft/kiota-java’s past year of commit activity
    Java 27 MIT 28 14 (1 issue needs help) 1 Updated Feb 18, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,641 MIT 3,052 2,528 552 Updated Feb 18, 2025
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic’s past year of commit activity
    C 4,162 MIT 551 172 (15 issues need help) 47 Updated Feb 18, 2025
  • roosterjs Public

    roosterjs is a framework-independent javascript rich text editor.

    microsoft/roosterjs’s past year of commit activity
    TypeScript 1,220 167 33 3 Updated Feb 18, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 167,486 MIT 30,596 5,000+ (387 issues need help) 498 Updated Feb 18, 2025
  • CromwellOnAzure Public

    Microsoft Genomics implementation of the Broad Institute's Cromwell workflow engine on Azure

    microsoft/CromwellOnAzure’s past year of commit activity
    C# 136 MIT 57 66 (2 issues need help) 6 Updated Feb 18, 2025
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