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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 31.7k

  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 3.7k

Repositories

Showing 10 of 6766 repositories
  • azl-otel-collector Public

    Azure Linux OTEL Collector Distro

    microsoft/azl-otel-collector’s past year of commit activity
    Go 1 MIT 0 1 0 Updated Apr 23, 2025
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,531 1,540 507 (4 issues need help) 1 Updated Apr 23, 2025
  • 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 47 (1 issue needs help) 2 Updated Apr 23, 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 23, 2025
  • mu_msvm Public

    VM firmware pkg for Project Mu

    microsoft/mu_msvm’s past year of commit activity
    C 40 14 0 0 Updated Apr 23, 2025
  • fabric-terraform-quickstart Public

    Examples for using the Terraform Provider for Microsoft Fabric

    microsoft/fabric-terraform-quickstart’s past year of commit activity
    HCL 21 MIT 12 0 2 Updated Apr 23, 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 20 105 Updated Apr 23, 2025
  • Linux-CommA Public

    The Linux Commit Analyzer tracks patches from upstream and downstream kernels.

    microsoft/Linux-CommA’s past year of commit activity
    Python 10 MIT 9 35 2 Updated Apr 23, 2025
  • OpenAPI.NET Public

    The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

    microsoft/OpenAPI.NET’s past year of commit activity
    C# 1,480 MIT 253 87 (1 issue needs help) 8 Updated Apr 23, 2025
  • tale-suite Public

    Text Adventure Learning Environment Suite - Benchmark to evaluate language models on interactive text environments.

    microsoft/tale-suite’s past year of commit activity
    Jupyter Notebook 7 MIT 0 0 0 Updated Apr 23, 2025
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