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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 170k 31.8k

  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++ 97.8k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6773 repositories
  • 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 20 MIT 5 49 (1 issue needs help) 2 Updated Apr 24, 2025
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 58 Apache-2.0 1,210 0 21 Updated Apr 24, 2025
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 152 111 2 5 Updated Apr 24, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using TypeChat to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 150 MIT 35 0 0 Updated Apr 24, 2025
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 694 MIT 175 101 32 Updated Apr 24, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,805 MIT 547 21 96 Updated Apr 24, 2025
  • json-schemas Public

    Publishing repository for different schemas used by products and services from Microsoft

    microsoft/json-schemas’s past year of commit activity
    91 MIT 75 14 0 Updated Apr 24, 2025
  • Windows-Driver-Developer-Supplemental-Tools Public

    Supplemental open-source components for use in developing device drivers for Windows.

    microsoft/Windows-Driver-Developer-Supplemental-Tools’s past year of commit activity
    CodeQL 54 31 2 0 Updated Apr 24, 2025
  • AI_Agents_Hackathon Public

    A free virtual hackathon for building AI agents with Microsoft and Azure.

    microsoft/AI_Agents_Hackathon’s past year of commit activity
    213 MIT 71 39 0 Updated Apr 24, 2025
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 19,317 Apache-2.0 582 47 15 Updated Apr 24, 2025
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