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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 38.3k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7630 repositories
  • 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 5, 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 1,714 MIT 380 114 (3 issues need help) 79 Updated Mar 5, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,294 MIT 6,258 1,134 345 Updated Mar 5, 2026
  • azure-linux-image-tools Public
    microsoft/azure-linux-image-tools’s past year of commit activity
    Go 26 MIT 8 1 7 Updated Mar 5, 2026
  • durabletask-js Public

    A Durable Task JavaScript SDK compatible with Azure Durable Task Scheduler

    microsoft/durabletask-js’s past year of commit activity
    TypeScript 8 MIT 9 10 2 Updated Mar 5, 2026
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 3,100 MIT 273 132 (16 issues need help) 50 Updated Mar 5, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,558 MIT 1,700 0 202 Updated Mar 5, 2026
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 951 MIT 346 45 6 Updated Mar 5, 2026
  • ObjectStoreProvider Public

    A cross-browser/platform indexeddb-like client library

    microsoft/ObjectStoreProvider’s past year of commit activity
    TypeScript 13 MIT 17 4 16 Updated Mar 5, 2026
  • vc-ue-extensions Public

    Components for integration between Visual Studio and Unreal Engine.

    microsoft/vc-ue-extensions’s past year of commit activity
    C++ 389 94 0 2 Updated Mar 5, 2026
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