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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 180k 37.1k

  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# 127k 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# 26.9k 4.4k

Repositories

Showing 10 of 7457 repositories
  • Agent365-dotnet Public
    microsoft/Agent365-dotnet’s past year of commit activity
    C# 12 MIT 8 2 9 Updated Dec 31, 2025
  • typeagent-py Public

    Structured RAG: ingest, index, query

    microsoft/typeagent-py’s past year of commit activity
    Python 529 MIT 41 11 2 Updated Dec 31, 2025
  • MHA Public

    Message Header Analyzer Add-in For Outlook

    microsoft/MHA’s past year of commit activity
    TypeScript 344 MIT 56 18 (1 issue needs help) 1 Updated Dec 31, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,056 MIT 5,832 1,095 1,038 Updated Dec 31, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,205 MIT 1,535 1 109 Updated Dec 31, 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++ 3,459 821 526 140 Updated Dec 31, 2025
  • m365-renovate-config Public

    Shared Renovate configuration for M365 projects

    microsoft/m365-renovate-config’s past year of commit activity
    JavaScript 12 MIT 5 1 5 Updated Dec 31, 2025
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 80,697 Apache-2.0 4,960 551 10 Updated Dec 31, 2025
  • vsts-extension-retrospectives Public

    An Azure DevOps extension for efficient retrospectives

    microsoft/vsts-extension-retrospectives’s past year of commit activity
    TypeScript 201 MIT 95 166 (2 issues need help) 2 Updated Dec 31, 2025
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 165 115 0 3 Updated Dec 31, 2025
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