Skip to content
@microsoft

Microsoft

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.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 179k 36.6k

  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# 26.8k 4.4k

Repositories

Showing 10 of 7420 repositories
  • Agents-for-python Public

    This repository is for active development of the Microsoft 365 Agent SDK components for Python

    microsoft/Agents-for-python’s past year of commit activity
    Python 120 MIT 46 38 4 Updated Dec 1, 2025
  • Agent365-nodejs Public
    microsoft/Agent365-nodejs’s past year of commit activity
    TypeScript 5 MIT 1 4 (2 issues need help) 11 Updated Dec 1, 2025
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,475 MIT 324 986 (3 issues need help) 52 Updated Dec 1, 2025
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg’s past year of commit activity
    CMake 26,200 MIT 7,209 1,059 325 Updated Dec 1, 2025
  • 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 7 7 (1 issue needs help) 7 Updated Dec 1, 2025
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 412 MIT 94 225 (1 issue needs help) 42 Updated Dec 1, 2025
  • rats Public

    Rats is a collection of tools to help researchers define and run experiments. It is designed to be a modular and extensible framework currently supporting building and running pipelines, integrating configs and services.

    microsoft/rats’s past year of commit activity
    Python 27 MIT 11 12 5 Updated Dec 1, 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# 26,765 MIT 4,373 498 67 Updated Dec 1, 2025
  • pxt-arcade Public

    Arcade game editor based on Microsoft MakeCode

    microsoft/pxt-arcade’s past year of commit activity
    TypeScript 527 MIT 239 512 (24 issues need help) 43 Updated Dec 1, 2025
  • playwright-java Public

    Java version of the Playwright testing and automation library

    microsoft/playwright-java’s past year of commit activity
    Java 1,397 Apache-2.0 255 36 4 Updated Dec 1, 2025
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member