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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 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 7425 repositories
  • LNewKnow Public

    The official repository for our work "Uncovering inequalities in new knowledge learning by large language models across different languages"

    microsoft/LNewKnow’s past year of commit activity
    Shell 7 MIT 2 0 3 Updated Dec 3, 2025
  • graphitation Public

    GraphQL tooling & runtime support needed for MS Teams and beyond

    microsoft/graphitation’s past year of commit activity
    TypeScript 147 MIT 46 28 25 Updated Dec 3, 2025
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 961 MIT 290 218 28 Updated Dec 3, 2025
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,603 MIT 2,675 277 (23 issues need help) 230 Updated Dec 3, 2025
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

    The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven system that manages a group of AI agents to accomplish tasks based on user input. Powered by Semantic Kernel, Azure Foundry, Azure Cosmos DB, and infrastructure services, it provides a reference application, allowing you to hit the ground running.

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 644 MIT 415 9 11 Updated Dec 3, 2025
  • react-native-gallery Public

    This repo contains the react-native Gallery app created by Microsoft

    microsoft/react-native-gallery’s past year of commit activity
    TypeScript 235 MIT 53 103 (1 issue needs help) 20 Updated Dec 3, 2025
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Azure AI Foundry, Azure AI Content Understanding, Azure OpenAI Service, and Azure AI Search to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.

    microsoft/Conversation-Knowledge-Mining-Solution-Accelerator’s past year of commit activity
    Python 391 MIT 234 1 5 Updated Dec 3, 2025
  • ContactCenterMessagingSDK-android Public

    Connect your android application with Dynamics 365 Contact Center using your custom interface or our out of the box native messaging experience.

    microsoft/ContactCenterMessagingSDK-android’s past year of commit activity
    Kotlin 5 6 1 2 Updated Dec 3, 2025
  • Agents-for-js Public

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

    microsoft/Agents-for-js’s past year of commit activity
    TypeScript 61 MIT 30 67 23 Updated Dec 3, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 179,221 MIT 36,599 5,000+ (488 issues need help) 899 Updated Dec 3, 2025
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