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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 37.6k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 129k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7530 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,175 MIT 37,637 5,000+ (539 issues need help) 1,030 Updated Jan 29, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 524 MIT 318 71 64 Updated Jan 29, 2026
  • vscode-azureresourcegroups Public

    VS Code extension for managing Azure resources.

    microsoft/vscode-azureresourcegroups’s past year of commit activity
    TypeScript 70 MIT 47 156 6 Updated Jan 29, 2026
  • 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 110 MIT 30 0 1 Updated Jan 29, 2026
  • mcp-for-beginners Public

    This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

    microsoft/mcp-for-beginners’s past year of commit activity
    Jupyter Notebook 14,187 MIT 4,665 0 10 Updated Jan 29, 2026
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 27,132 MIT 4,442 469 77 Updated Jan 29, 2026
  • generative-ai-for-beginners Public

    21 Lessons, Get Started Building with Generative AI

    microsoft/generative-ai-for-beginners’s past year of commit activity
    Jupyter Notebook 105,826 MIT 56,654 4 7 Updated Jan 29, 2026
  • vscode-codicons Public

    The icon font for Visual Studio Code

    microsoft/vscode-codicons’s past year of commit activity
    Handlebars 1,061 CC-BY-4.0 205 17 4 Updated Jan 29, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,828 567 116 21 Updated Jan 29, 2026
  • Generative-AI-for-beginners-java Public

    Learn Generative AI fundamentals through Java programming.

    microsoft/Generative-AI-for-beginners-java’s past year of commit activity
    Java 284 MIT 230 0 1 Updated Jan 29, 2026
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