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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 182k 38.2k

  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 supercharge productivity and customization on Windows

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7611 repositories
  • 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 290 MIT 177 0 8 Updated Mar 2, 2026
  • MMCTAgent Public

    Multi-modal Critical Thinking Agent Framework for Complex Visual Reasoning

    microsoft/MMCTAgent’s past year of commit activity
    Python 64 MIT 11 2 8 Updated Mar 2, 2026
  • agentic-applications-for-unified-data-foundation-solution-accelerator Public

    This accelerator unifies enterprise data with Microsoft Fabric and applies agentic AI to enable faster, smarter decisions. With Microsoft Foundry agents and the Microsoft Agent Framework orchestration, teams can automate workflows, query data in natural language, and uncover insights that fuel agility, collaboration, and innovation.

    microsoft/agentic-applications-for-unified-data-foundation-solution-accelerator’s past year of commit activity
    TSQL 58 MIT 77 1 11 Updated Mar 2, 2026
  • PhiCookBook Public

    This is a Phi Family of SLMs book for getting started with Phi Models. Phi a family of open sourced AI models developed by Microsoft. Phi models are the most capable and cost-effective small language models (SLMs) available, outperforming models of the same size and next size up across a variety of language, reasoning, coding, and math benchmarks

    microsoft/PhiCookBook’s past year of commit activity
    Jupyter Notebook 3,688 MIT 478 0 2 Updated Mar 2, 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# 989 MIT 291 195 31 Updated Mar 2, 2026
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,400 5,546 100 (1 issue needs help) 16 Updated Mar 2, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer’s past year of commit activity
    Rust 61 MIT 14 14 8 Updated Mar 2, 2026
  • vscode-react-native Public

    VSCode extension for React Native - supports debugging and editor integration

    microsoft/vscode-react-native’s past year of commit activity
    TypeScript 2,720 280 3 1 Updated Mar 2, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,415 MIT 3,734 855 425 Updated Mar 2, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,538 MIT 1,683 1 196 Updated Mar 2, 2026
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