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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 37.5k

  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++ 101k 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 7510 repositories
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 519 MIT 318 70 67 Updated Jan 23, 2026
  • 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# 977 MIT 291 199 15 Updated Jan 23, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,947 MIT 37,542 5,000+ (540 issues need help) 995 Updated Jan 23, 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 696 MIT 469 8 21 Updated Jan 23, 2026
  • mcp Public

    Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

    microsoft/mcp’s past year of commit activity
    C# 2,470 MIT 345 204 (22 issues need help) 65 Updated Jan 23, 2026
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 128,269 MIT 7,621 5,000+ (218 issues need help) 89 Updated Jan 23, 2026
  • azure-devops-mcp Public

    The MCP server for Azure DevOps, bringing the power of Azure DevOps directly to your agents.

    microsoft/azure-devops-mcp’s past year of commit activity
    TypeScript 1,178 MIT 379 3 2 Updated Jan 23, 2026
  • fluentui-system-icons Public

    Fluent System Icons are a collection of familiar, friendly and modern icons from Microsoft.

    microsoft/fluentui-system-icons’s past year of commit activity
    HTML 10,315 MIT 762 183 (1 issue needs help) 27 Updated Jan 23, 2026
  • unified-data-foundation-with-fabric-solution-accelerator Public

    Unified Data Foundation with Microsoft Fabric with Options to Integrate with Azure Databricks and Microsoft Purview

    microsoft/unified-data-foundation-with-fabric-solution-accelerator’s past year of commit activity
    Jupyter Notebook 16 MIT 24 0 4 Updated Jan 23, 2026
  • kpi-dashboard-suite-pcfcontrols Public
    microsoft/kpi-dashboard-suite-pcfcontrols’s past year of commit activity
    0 MIT 0 1 1 Updated Jan 23, 2026
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