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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 182k 38.1k

  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 7579 repositories
  • AI-in-One-Dashboard Public

    AI-in-One Dashboard Power BI template for comprehensive AI usage analytics

    microsoft/AI-in-One-Dashboard’s past year of commit activity
    PowerShell 12 MIT 8 0 0 Updated Feb 22, 2026
  • data-formulator Public

    🪄 Create rich visualizations with AI

    microsoft/data-formulator’s past year of commit activity
    TypeScript 14,983 MIT 1,364 45 (4 issues need help) 6 Updated Feb 22, 2026
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack’s past year of commit activity
    TypeScript 6,414 671 874 (129 issues need help) 150 Updated Feb 22, 2026
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 616 MIT 86 6 1 Updated Feb 22, 2026
  • LightGBM Public

    A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

    microsoft/LightGBM’s past year of commit activity
    C++ 18,101 MIT 3,984 430 (8 issues need help) 50 Updated Feb 22, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,998 MIT 38,086 5,000+ (529 issues need help) 1,178 Updated Feb 22, 2026
  • portal-ux-agent Public
    microsoft/portal-ux-agent’s past year of commit activity
    TypeScript 0 0 2 6 Updated Feb 22, 2026
  • microhacks-rag-ai Public

    Microhack focused on RAG AI with the goal of providing a half-day hands-on workshop to enable skilling around Microsoft technologies and services.

    microsoft/microhacks-rag-ai’s past year of commit activity
    Python 7 MIT 3 0 17 Updated Feb 22, 2026
  • vscode-textmate Public

    A library that helps tokenize text using Text Mate grammars.

    microsoft/vscode-textmate’s past year of commit activity
    TypeScript 657 MIT 125 57 (1 issue needs help) 8 Updated Feb 22, 2026
  • vscode-oniguruma Public

    Oniguruma Bindings for VS Code

    microsoft/vscode-oniguruma’s past year of commit activity
    TypeScript 134 19 4 1 Updated Feb 22, 2026
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