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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 179k 36.6k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.1k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 126k 7.5k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.8k 4.4k

Repositories

Showing 10 of 7420 repositories
  • SynapseML Public

    Simple and Distributed Machine Learning

    microsoft/SynapseML’s past year of commit activity
    Scala 5,187 MIT 854 354 (10 issues need help) 62 Updated Dec 1, 2025
  • accessibility-insights-service Public

    Accessibility Insights Service

    microsoft/accessibility-insights-service’s past year of commit activity
    TypeScript 74 54 1 15 Updated Dec 1, 2025
  • PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    microsoft/PowerToys’s past year of commit activity
    C# 126,164 MIT 7,512 5,000+ (223 issues need help) 102 Updated Dec 1, 2025
  • minecraft-samples Public

    Contains custom add-on samples for Minecraft Bedrock Edition.

    microsoft/minecraft-samples’s past year of commit activity
    TypeScript 355 MIT 236 4 4 Updated Dec 1, 2025
  • finnts Public

    Microsoft Finance Time Series Forecasting Framework (FinnTS) is a forecasting package that utilizes cutting-edge time series forecasting and parallelization on the cloud to produce accurate forecasts for financial data.

    microsoft/finnts’s past year of commit activity
    R 232 48 3 4 Updated Dec 1, 2025
  • edge-ai Public

    Edge AI Accelerator

    microsoft/edge-ai’s past year of commit activity
    HCL 23 MIT 11 2 9 Updated Dec 1, 2025
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 412 MIT 94 225 (1 issue needs help) 38 Updated Dec 1, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,528 MIT 3,572 834 356 Updated Dec 1, 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# 11,605 MIT 622 24 (12 issues need help) 12 Updated Dec 2, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,062 MIT 1,455 0 95 Updated Dec 2, 2025
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