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Open Source at Microsoft

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Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

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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 184k 39.1k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 131k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.7k 4.5k

Repositories

Showing 10 of 7754 repositories
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,598 MIT 609 186 536 Updated Apr 9, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,640 616 81 9 Updated Apr 9, 2026
  • sqltoolsservice Public

    SQL Tools API service that provides SQL Server data management capabilities.

    microsoft/sqltoolsservice’s past year of commit activity
    C# 500 163 63 5 Updated Apr 9, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,861 577 143 12 Updated Apr 9, 2026
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 168 115 0 7 Updated Apr 9, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,641 MIT 39,074 5,000+ (507 issues need help) 1,616 Updated Apr 9, 2026
  • simple_ado Public

    An easy to use wrapper around the Azure DevOps REST API

    microsoft/simple_ado’s past year of commit activity
    Python 53 MIT 14 4 6 Updated Apr 9, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs’s past year of commit activity
    Rust 12,095 Apache-2.0 607 36 5 Updated Apr 9, 2026
  • qdk-chemistry Public

    A high-performance toolkit for quantum and classical chemistry calculations.

    microsoft/qdk-chemistry’s past year of commit activity
    C++ 42 MIT 1 28 8 Updated Apr 9, 2026
  • webui Public

    WebUI is a language-agnostic server-side rendering framework that compiles HTML templates into a binary protocol at build time and uses Web Components Islands Architecture for client-side interactivity. There is no JavaScript runtime on the server - rendering is Rust-native, sub-millisecond, and available from any backend language.

    microsoft/webui’s past year of commit activity
    Rust 9 MIT 0 8 (1 issue needs help) 1 Updated Apr 9, 2026

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