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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 179k 36.4k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.1k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 126k 7.5k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.7k 4.4k

Repositories

Showing 10 of 7415 repositories
  • teams.py Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.py’s past year of commit activity
    Python 22 MIT 6 6 (1 issue needs help) 8 Updated Nov 26, 2025
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 14 MIT 10 5 9 Updated Nov 26, 2025
  • amplifier-app-cli Public

    Reference implementation of CLI interface for Amplifier project

    microsoft/amplifier-app-cli’s past year of commit activity
    Python 6 MIT 8 0 5 Updated Nov 26, 2025
  • react-native-winrt Public

    Windows Runtime projection for React Native for Windows

    microsoft/react-native-winrt’s past year of commit activity
    C++ 95 MIT 11 38 (1 issue needs help) 13 Updated Nov 26, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,025 MIT 1,443 0 97 Updated Nov 26, 2025
  • 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++ 17,883 MIT 3,966 422 (10 issues need help) 45 Updated Nov 26, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 179,003 MIT 36,445 5,000+ (478 issues need help) 866 Updated Nov 26, 2025
  • gov-apptemplates Public

    Modular, prebuilt Power Platform and Dynamics 365 application templates for government agencies. Provides ready-to-deploy solutions built on the standardized data models, enabling faster delivery of mission-focused apps for services such as permitting, case management, and asset tracking.

    microsoft/gov-apptemplates’s past year of commit activity
    PowerShell 8 MIT 4 1 0 Updated Nov 26, 2025
  • ctsTraffic Public

    ctsTraffic is a highly scalable client/server networking tool giving detailed performance and reliability analytics

    microsoft/ctsTraffic’s past year of commit activity
    C++ 278 Apache-2.0 51 7 1 Updated Nov 26, 2025
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 26,730 MIT 4,361 502 73 Updated Nov 26, 2025
View all repositories

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