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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 179k 36.5k

  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# 126k 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# 26.7k 4.4k

Repositories

Showing 10 of 7415 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 179,036 MIT 36,464 5,000+ (478 issues need help) 877 Updated Nov 27, 2025
  • LangChain4j-for-Beginners Public

    A course for AI applications with LangChain4j from simple chat to AI agents.

    microsoft/LangChain4j-for-Beginners’s past year of commit activity
    Java 15 MIT 2 0 0 Updated Nov 27, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,030 MIT 1,445 0 95 Updated Nov 27, 2025
  • azure_pg_dev_workshop Public

    Azure Database for PostgreSQL Developer workshop

    microsoft/azure_pg_dev_workshop’s past year of commit activity
    PHP 16 MIT 6 0 12 Updated Nov 27, 2025
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 126,057 MIT 7,503 5,000+ (223 issues need help) 94 Updated Nov 27, 2025
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    C# 5,452 MIT 815 441 75 Updated Nov 27, 2025
  • Modernize-your-code-solution-accelerator Public

    Designed to help customers transition their SQL queries to new environments quickly and efficiently. This accelerator is particularly useful for organizations modernizing their data estates, as it simplifies the process of translating SQL queries from various dialects.

    microsoft/Modernize-your-code-solution-accelerator’s past year of commit activity
    Python 84 MIT 78 0 7 Updated Nov 27, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 497 MIT 289 69 52 Updated Nov 27, 2025
  • graphitation Public

    GraphQL tooling & runtime support needed for MS Teams and beyond

    microsoft/graphitation’s past year of commit activity
    TypeScript 147 MIT 46 28 26 Updated Nov 27, 2025
  • Build-your-own-copilot-Solution-Accelerator Public

    Solution Accelerator to show how to build your own copilot

    microsoft/Build-your-own-copilot-Solution-Accelerator’s past year of commit activity
    TypeScript 269 MIT 166 0 11 Updated Nov 27, 2025
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