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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 173k 33k

  2. TypeScript TypeScript Public

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

    TypeScript 105k 12.9k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 120k 7.1k

  4. terminal terminal Public

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

    C++ 98.5k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 25k 3.9k

Repositories

Showing 10 of 6896 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,428 MIT 5,123 954 149 Updated Jun 9, 2025
  • HydraLab Public

    Intelligent cloud testing made easy.

    microsoft/HydraLab’s past year of commit activity
    Java 990 MIT 102 33 (9 issues need help) 22 Updated Jun 9, 2025
  • documentdb Public

    DocumentDB is the open-source engine powering vCore-based Azure Cosmos DB for MongoDB. It offers a native implementation of document-oriented NoSQL database, enabling seamless CRUD operations on BSON data types within a PostgreSQL framework.

    microsoft/documentdb’s past year of commit activity
    C 1,751 MIT 93 22 10 Updated Jun 9, 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# 884 MIT 275 258 26 Updated Jun 9, 2025
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 16 MIT 13 2 7 Updated Jun 9, 2025
  • mu_crypto_release Public

    Release platform for Mu CryptoBin

    microsoft/mu_crypto_release’s past year of commit activity
    Assembly 15 16 3 4 Updated Jun 9, 2025
  • poml Public

    Prompt Orchestration Markup Language

    microsoft/poml’s past year of commit activity
    TypeScript 2 MIT 0 0 6 Updated Jun 9, 2025
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,020 5,080 86 (1 issue needs help) 9 Updated Jun 9, 2025
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    microsoft/autogen’s past year of commit activity
    Python 45,697 CC-BY-4.0 6,931 506 (29 issues need help) 59 Updated Jun 9, 2025
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,396 MIT 251 161 (44 issues need help) 24 Updated Jun 9, 2025
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