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Open source projects and samples from Microsoft

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 6612 repositories
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    microsoft/autogen’s past year of commit activity
    Python 37,704 CC-BY-4.0 5,482 615 (5 issues need help) 41 Updated Jan 18, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,770 2,762 472 (8 issues need help) 157 Updated Jan 18, 2025
  • opensource.microsoft.com Public

    This is the source code to the Microsoft Open Source site featuring projects, program information, and "get involved" pages. This site is published at opensource.microsoft.com and managed by the Microsoft Open Source Programs Office (OSPO).

    microsoft/opensource.microsoft.com’s past year of commit activity
    JavaScript 838 MIT 395 0 1 Updated Jan 18, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,326 MIT 2,999 2,486 525 Updated Jan 18, 2025
  • testfx Public

    This repository holds the source code of Microsoft Testing Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 821 MIT 263 179 18 Updated Jan 18, 2025
  • eureka-ml-insights Public

    A framework for standardizing evaluations of large foundation models, beyond single-score reporting and rankings.

    microsoft/eureka-ml-insights’s past year of commit activity
    Python 106 Apache-2.0 14 2 7 Updated Jan 18, 2025
  • onnxruntime-extensions Public

    onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime

    microsoft/onnxruntime-extensions’s past year of commit activity
    C++ 350 MIT 92 69 16 Updated Jan 18, 2025
  • TypeScript Public

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

    microsoft/TypeScript’s past year of commit activity
    TypeScript 101,823 Apache-2.0 12,608 5,000+ (1040 issues need help) 523 Updated Jan 18, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 352 MIT 175 13 21 Updated Jan 18, 2025
  • azure-quantum-tgp Public

    Code and notebooks to showcase experimental results from Azure Quantum hardware team

    microsoft/azure-quantum-tgp’s past year of commit activity
    Python 40 18 0 1 Updated Jan 18, 2025