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Open source projects and samples from Microsoft

Open Source at Microsoft

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Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

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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 195k 44.4k

  2. TypeScript TypeScript Public

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

    Go 112k 15.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C 141k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8432 repositories
  • Analytics-Hub Public

    A central hub for analytics resources, linking to repositories, guides, and templates leveraging MAC, Purview, and Viva Insights.

    microsoft/Analytics-Hub's past year of commit activity
    JavaScript 36 MIT 12 2 5 Updated Nov 5, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime's past year of commit activity
    C++ 22,229 MIT 4,406 923 923 Updated Nov 5, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,398 MIT 1,033 2,406 (2 issues need help) 340 Updated Nov 5, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents, and skills) to start your project off right, or upgrade your existing projects to get the most out of GitHub Copilot

    microsoft/hve-core's past year of commit activity
    PowerShell 1,603 MIT 353 179 (1 issue needs help) 34 Updated Nov 5, 2026
  • AZD-for-beginners Public

    Welcome to the comprehensive guide for Azure Developer CLI (azd)! This repository is designed to help developers at all levels from students to professional developers learn and master Azure Developer CLI for efficient cloud deployments.

    microsoft/AZD-for-beginners's past year of commit activity
    CSS 198 MIT 86 0 1 Updated Nov 5, 2026
  • amplifier-constellation-runtime Public

    Standalone native Rust ACP agent engine with model providers, tools, and durable sessions

    microsoft/amplifier-constellation-runtime's past year of commit activity
    Rust 0 MIT 0 0 1 Updated Nov 5, 2026
  • BotFramework-WebChat Public

    A highly-customizable web-based client for Azure Bot Services.

    microsoft/BotFramework-WebChat's past year of commit activity
    HTML 1,787 MIT 1,600 367 30 Updated Nov 5, 2026
  • webui Public

    Server Side Rendering without JavaScript on the server. No virtual DOM. No JSX. Just HTML, streamed from any language. Web Components SSR

    microsoft/webui's past year of commit activity
    Rust 100 MIT 24 8 7 Updated Nov 5, 2026
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit's past year of commit activity
    PowerShell 622 MIT 269 264 (27 issues need help) 60 Updated Nov 5, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 3,260 MIT 185 129 24 Updated Nov 5, 2026