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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 178k 35.9k

  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# 125k 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# 26.6k 4.3k

Repositories

Showing 10 of 7293 repositories
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 22,662 Apache-2.0 726 135 (1 issue needs help) 60 Updated Nov 1, 2025
  • vs-servicehub Public

    The service broker libraries used by Visual Studio to exchange intra- and inter-process services

    microsoft/vs-servicehub’s past year of commit activity
    C# 24 MIT 10 4 15 Updated Nov 1, 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# 956 MIT 288 214 43 Updated Nov 1, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,840 MIT 5,570 1,023 517 Updated Nov 1, 2025
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 20 MIT 13 2 14 Updated Nov 1, 2025
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 14 MIT 6 4 13 Updated Nov 1, 2025
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 73 Apache-2.0 1,317 0 19 Updated Nov 1, 2025
  • DirectXShaderCompiler Public

    This repo hosts the source for the DirectX Shader Compiler which is based on LLVM/Clang.

    microsoft/DirectXShaderCompiler’s past year of commit activity
    C++ 3,412 803 496 129 Updated Nov 1, 2025
  • mcscatblog Public
    microsoft/mcscatblog’s past year of commit activity
    SCSS 3 MIT 1 3 1 Updated Nov 1, 2025
  • dstoolkit-devcontainers Public template

    A machine learning project template that makes it easy to work with multiple Docker based VSCode Dev Containers. Easily transition projects to the cloud and production with automated code quality checks, pytest configuration, CI pipeline templates & AML cloud example

    microsoft/dstoolkit-devcontainers’s past year of commit activity
    Python 41 MIT 8 1 9 Updated Nov 1, 2025
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