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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
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Microsoft Foundry, Azure Content Understanding, Azure OpenAI Service, and Foundry IQ to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.

    microsoft/Conversation-Knowledge-Mining-Solution-Accelerator’s past year of commit activity
    Python 417 MIT 246 1 5 Updated Feb 22, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,257 MIT 6,134 1,105 218 Updated Feb 22, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 625 MIT 124 216 27 Updated Feb 22, 2026
  • eureka-ml-insights Public

    A framework for standardizing evaluations of large foundation models, beyond single-score reporting and rankings.

    microsoft/eureka-ml-insights’s past year of commit activity
    Python 175 Apache-2.0 37 3 16 Updated Feb 22, 2026
  • vscode-typescript-next Public

    Enables typescript@next as VS Code's built-in TypeScript version

    microsoft/vscode-typescript-next’s past year of commit activity
    JavaScript 288 MIT 48 9 1 Updated Feb 22, 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 7,336 MIT 1,194 593 128 Updated Feb 22, 2026
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 536 MIT 55 60 1 Updated Feb 21, 2026
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 82,877 Apache-2.0 5,167 592 21 Updated Feb 21, 2026
  • DiskANN Public

    Graph-structured Indices for Scalable, Fast, Fresh and Filtered Approximate Nearest Neighbor Search

    microsoft/DiskANN’s past year of commit activity
    Rust 1,705 MIT 381 119 (3 issues need help) 89 Updated Feb 21, 2026
  • data-formulator Public

    🪄 Create rich visualizations with AI

    microsoft/data-formulator’s past year of commit activity
    TypeScript 14,907 MIT 1,357 45 (4 issues need help) 6 Updated Feb 21, 2026
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