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 180k 37k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

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

    C# 127k 7.5k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.9k 4.4k

Repositories

Showing 10 of 7447 repositories
  • OpenAPI.NET Public

    The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

    microsoft/OpenAPI.NET’s past year of commit activity
    C# 1,565 MIT 279 44 (1 issue needs help) 1 Updated Dec 19, 2025
  • fluentui-react-native Public

    A react-native component library that implements the Fluent Design System.

    microsoft/fluentui-react-native’s past year of commit activity
    TypeScript 1,410 MIT 171 82 20 Updated Dec 19, 2025
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 121 213 26 Updated Dec 19, 2025
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 13 MIT 5 11 3 Updated Dec 19, 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 414 MIT 96 227 (1 issue needs help) 27 Updated Dec 19, 2025
  • ApplicationInsights-dotnet Public

    ApplicationInsights-dotnet

    microsoft/ApplicationInsights-dotnet’s past year of commit activity
    C# 588 MIT 293 151 4 Updated Dec 19, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,148 MIT 1,506 0 104 Updated Dec 19, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,901 MIT 561 17 81 Updated Dec 19, 2025
  • OpenAIWorkshop Public

    workshop materials to build intelligent solutions on Open AI

    microsoft/OpenAIWorkshop’s past year of commit activity
    Python 658 MIT 390 18 (1 issue needs help) 18 Updated Dec 19, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 502 MIT 300 72 52 Updated Dec 19, 2025
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member