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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 194k 44.8k

  2. TypeScript TypeScript Public

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

    Go 112k 16k

  3. PowerToys PowerToys Public

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

    C 140k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8396 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,240 MIT 11,347 1,392 4,453 Updated Oct 26, 2026
  • ConsumptionCentral-for-Microsoft-Copilot Public

    One Power BI template for Microsoft Copilot credit consumption and cost - Cowork/Work IQ, Copilot Studio, GitHub Copilot and Azure AI Foundry.

    microsoft/ConsumptionCentral-for-Microsoft-Copilot's past year of commit activity
    TypeScript 29 MIT 12 1 4 Updated Oct 26, 2026
  • ValueLens-for-Microsoft-Copilot Public

    Power BI template for Microsoft Copilot & agent analytics — measure AI business value, ROI and cost, plus adoption, governance and user feedback across your whole Copilot estate in one place.

    microsoft/ValueLens-for-Microsoft-Copilot's past year of commit activity
    TypeScript 23 MIT 4 1 12 Updated Oct 25, 2026
  • DiskANN Public

    A vector indexing library to bring fast, fresh and filtered search to your database

    microsoft/DiskANN's past year of commit activity
    Rust 1,958 MIT 469 93 (1 issue needs help) 104 Updated Oct 26, 2026
  • PTVS Public

    Python Tools for Visual Studio

    microsoft/PTVS's past year of commit activity
    C# 2,565 Apache-2.0 679 149 12 Updated Oct 26, 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 182 MIT 31 1 32 Updated Oct 25, 2026
  • Oryx Public

    Build your repo automatically.

    microsoft/Oryx's past year of commit activity
    C# 882 196 90 122 Updated Oct 25, 2026
  • mfcmapi Public

    MFCMAPI

    microsoft/mfcmapi's past year of commit activity
    C++ 985 MIT 170 7 4 Updated Oct 25, 2026
  • qdk Public

    Microsoft Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    microsoft/qdk's past year of commit activity
    Rust 1,025 MIT 219 231 (1 issue needs help) 44 Updated Oct 25, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime's past year of commit activity
    C++ 22,169 MIT 4,363 923 904 Updated Oct 25, 2026
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