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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 181k 37.6k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7524 repositories
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,348 MIT 1,606 1 137 Updated Jan 28, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 6,786 MIT 1,072 539 104 Updated Jan 28, 2026
  • Modernize-your-code-solution-accelerator Public

    Designed to help customers transition their SQL queries to new environments quickly and efficiently. This accelerator is particularly useful for organizations modernizing their data estates, as it simplifies the process of translating SQL queries from various dialects.

    microsoft/Modernize-your-code-solution-accelerator’s past year of commit activity
    Python 102 MIT 95 0 10 Updated Jan 28, 2026
  • Microsoft-AI-Decision-Framework Public

    Evidence-based decision framework for selecting the right Microsoft AI technology (M365 Copilot, Copilot Studio, Azure AI Foundry, Agent Service) for your business needs

    microsoft/Microsoft-AI-Decision-Framework’s past year of commit activity
    SCSS 21 MIT 7 0 0 Updated Jan 28, 2026
  • 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 Microsoft Agent Framework, 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 697 MIT 475 8 24 Updated Jan 28, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,614 MIT 2,684 277 (25 issues need help) 236 Updated Jan 28, 2026
  • BuildXL Public

    Microsoft Build Accelerator

    microsoft/BuildXL’s past year of commit activity
    C# 993 MIT 154 19 (2 issues need help) 5 Updated Jan 28, 2026
  • agentic-applications-for-unified-data-foundation-solution-accelerator Public

    This accelerator unifies enterprise data with Microsoft Fabric and applies agentic AI to enable faster, smarter decisions. With Microsoft Foundry agents and the Microsoft Agent Framework orchestration, teams can automate workflows, query data in natural language, and uncover insights that fuel agility, collaboration, and innovation.

    microsoft/agentic-applications-for-unified-data-foundation-solution-accelerator’s past year of commit activity
    TSQL 42 MIT 58 0 10 Updated Jan 28, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,176 MIT 5,963 1,095 530 Updated Jan 28, 2026
  • qlib Public

    Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.

    microsoft/qlib’s past year of commit activity
    Python 36,094 MIT 5,623 276 (2 issues need help) 50 Updated Jan 28, 2026
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