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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 171k 32k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 7k

  4. terminal terminal Public

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

    C++ 98k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.3k 3.8k

Repositories

Showing 10 of 6799 repositories
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 19,134 2,795 471 (8 issues need help) 193 Updated May 7, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 170,810 MIT 32,023 5,000+ (402 issues need help) 549 Updated May 7, 2025
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

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

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 210 MIT 106 1 4 Updated May 7, 2025
  • AzDevOpsDemoGenerator Public

    Azure DevOps Demo Generator helps teams create projects on their Team Services account with pre-populated sample content that includes source code, work items, iterations, service endpoints, build and release definitions based on a chosen template

    microsoft/AzDevOpsDemoGenerator’s past year of commit activity
    C# 38 MIT 72 7 1 Updated May 7, 2025
  • Build-your-own-copilot-Solution-Accelerator Public

    Solution Accelerator to show how to build your own copilot

    microsoft/Build-your-own-copilot-Solution-Accelerator’s past year of commit activity
    TypeScript 186 MIT 110 0 20 Updated May 7, 2025
  • python-environment-tools Public
    microsoft/python-environment-tools’s past year of commit activity
    Rust 172 MIT 25 18 (1 issue needs help) 5 Updated May 7, 2025
  • Dynamics365Commerce.Solutions Public

    Repository for hosting the Dynamics 365 Commerce end to end sample solutions

    microsoft/Dynamics365Commerce.Solutions’s past year of commit activity
    SCSS 64 31 21 3 Updated May 7, 2025
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic’s past year of commit activity
    C 4,304 MIT 562 158 (14 issues need help) 47 Updated May 7, 2025
  • Build25-LAB329 Public

    Fine-Tune End-to-End Distillation Models with Azure AI Foundry Models

    microsoft/Build25-LAB329’s past year of commit activity
    Jupyter Notebook 3 MIT 0 1 0 Updated May 7, 2025
  • Dynamics365Commerce.InStore Public

    Repository for hosting the Dynamics 365 Commerce in store Samples

    microsoft/Dynamics365Commerce.InStore’s past year of commit activity
    TypeScript 64 42 0 0 Updated May 7, 2025
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