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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 6620 repositories
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through our open source R&D automation tool RD-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 1,404 MIT 126 12 15 Updated Jan 22, 2025
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,357 1,522 490 (4 issues need help) 12 Updated Jan 22, 2025
  • pxt-simx-sample Public

    Sample Simulator Extension for MakeCode

    microsoft/pxt-simx-sample’s past year of commit activity
    TypeScript 0 MIT 1 0 1 Updated Jan 22, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using TypeChat to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 81 MIT 23 1 1 Updated Jan 22, 2025
  • genaiscript Public

    Automatable GenAI Scripting

    microsoft/genaiscript’s past year of commit activity
    TypeScript 2,178 MIT 133 48 (1 issue needs help) 1 Updated Jan 22, 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# 822 MIT 264 186 23 Updated Jan 22, 2025
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 4,697 MIT 231 712 (1 issue needs help) 60 Updated Jan 22, 2025
  • MicroHack Public

    This repository is the central repository for all MicroHacks from customers, partners or Microsoft.

    microsoft/MicroHack’s past year of commit activity
    Jupyter Notebook 117 MIT 78 9 5 Updated Jan 22, 2025
  • powerplatform-vscode Public

    The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.

    microsoft/powerplatform-vscode’s past year of commit activity
    TypeScript 214 MIT 38 62 24 Updated Jan 22, 2025
  • vscode-apimanagement Public

    VS Code extension for Azure API Management.

    microsoft/vscode-apimanagement’s past year of commit activity
    TypeScript 62 MIT 41 91 21 Updated Jan 22, 2025
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