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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 184k 39.4k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.8k 4.6k

Repositories

Showing 10 of 7792 repositories
  • SPTAG Public

    A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.

    microsoft/SPTAG’s past year of commit activity
    C++ 4,984 MIT 615 119 (1 issue needs help) 22 Updated Apr 23, 2026
  • accessibility-insights-action Public

    Github Action to scan for accessibility issues in github pages

    microsoft/accessibility-insights-action’s past year of commit activity
    TypeScript 95 MIT 44 7 20 Updated Apr 23, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,508 MIT 6,781 1,153 344 Updated Apr 23, 2026
  • vscode-azurestorage Public

    Azure Storage extension for VS Code

    microsoft/vscode-azurestorage’s past year of commit activity
    TypeScript 70 MIT 46 70 (2 issues need help) 1 Updated Apr 23, 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 79 MIT 17 20 15 Updated Apr 23, 2026
  • powerplatform-vscode Public

    The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.

    microsoft/powerplatform-vscode’s past year of commit activity
    TypeScript 264 MIT 56 80 31 Updated Apr 23, 2026
  • polyfills Public

    A collection of polyfills for new web platform features.

    microsoft/polyfills’s past year of commit activity
    JavaScript 1 MIT 1 0 3 Updated Apr 23, 2026
  • kiota-http-ruby Public

    Kiota http provider implementation for Ruby with Faraday

    microsoft/kiota-http-ruby’s past year of commit activity
    Ruby 16 MIT 4 14 (5 issues need help) 1 Updated Apr 23, 2026
  • rnx-kit Public

    Modern, scalable tools. Exceptional developer experience.

    microsoft/rnx-kit’s past year of commit activity
    TypeScript 1,716 MIT 117 45 (5 issues need help) 5 Updated Apr 23, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,211 296 88 41 Updated Apr 23, 2026
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