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Open source projects and samples from Microsoft
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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 37.4k

  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# 128k 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# 27k 4.4k

Repositories

Showing 10 of 7489 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,122 MIT 5,911 1,067 431 Updated Jan 15, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,277 MIT 1,569 0 120 Updated Jan 15, 2026
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,611 MIT 294 142 (27 issues need help) 27 Updated Jan 15, 2026
  • 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# 976 MIT 291 207 19 Updated Jan 15, 2026
  • copilot-camp Public

    Hands-on labs for extending Microsoft 365 Copilot and building custom engine agents

    microsoft/copilot-camp’s past year of commit activity
    TypeScript 428 MIT 116 39 (1 issue needs help) 36 Updated Jan 15, 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 14,044 MIT 4,604 0 2 Updated Jan 15, 2026
  • real-time-intelligence-operations-solution-accelerator Public

    This solution accelerator provides the architecture and working solution for real-time intelligence for operations. Key features include real-time dashboard, anomaly detection, and fabric data agent.

    microsoft/real-time-intelligence-operations-solution-accelerator’s past year of commit activity
    Python 7 MIT 5 0 1 Updated Jan 15, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,679 MIT 37,392 5,000+ (543 issues need help) 963 Updated Jan 15, 2026
  • 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
    Python 6,552 MIT 1,025 517 97 Updated Jan 15, 2026
  • react-native-test-app Public

    react-native-test-app provides an app for all supported platforms as a package

    microsoft/react-native-test-app’s past year of commit activity
    TypeScript 664 MIT 98 15 (1 issue needs help) 1 Updated Jan 15, 2026
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