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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 181k 37.4k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

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

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7487 repositories
  • vscode-azurecontainerapps Public

    Azure Container Apps extension for VS Code

    microsoft/vscode-azurecontainerapps’s past year of commit activity
    TypeScript 38 MIT 16 102 9 Updated Jan 15, 2026
  • azure-linux-image-tools Public
    microsoft/azure-linux-image-tools’s past year of commit activity
    Go 24 MIT 11 5 10 Updated Jan 15, 2026
  • 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 4,593 MIT 635 209 (24 issues need help) 71 Updated Jan 14, 2026
  • uefi_debug_tools Public

    Tools for debugging UEFI firmware

    microsoft/uefi_debug_tools’s past year of commit activity
    C++ 5 5 0 0 Updated Jan 14, 2026
  • edge-ai Public

    Production-ready Infrastructure as Code, applications, pluggable components, and PlatformOps toolchains that empower organizations to achieve more with cloud and edge AI-powered solutions. Built by friendly geeks, for every team that needs edge solutions to achieve real production results.

    microsoft/edge-ai’s past year of commit activity
    HCL 30 MIT 16 3 9 Updated Jan 14, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,663 MIT 37,378 5,000+ (544 issues need help) 964 Updated Jan 14, 2026
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 101,370 MIT 9,017 1,647 (498 issues need help) 47 Updated Jan 14, 2026
  • trident Public

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

    microsoft/trident’s past year of commit activity
    Rust 19 MIT 15 14 15 Updated Jan 14, 2026
  • Microsoft-Store-Services-Sample Public

    Sample service that uses the Microsoft.StoreServices namespace to interact with and manage user products. This shows best practices and logic flow around querying for products, consuming items, and validating refunds.

    microsoft/Microsoft-Store-Services-Sample’s past year of commit activity
    C# 11 MIT 9 0 1 Updated Jan 14, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,277 MIT 1,567 0 124 Updated Jan 14, 2026
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