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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 Public

    Visual Studio Code

    TypeScript 170k 31.4k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 23.9k 3.7k

Repositories

Showing 10 of 6744 repositories
  • onnxruntime Public

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

    C++ 16,225 MIT 3,140 2,628 569 Updated Apr 10, 2025
  • Agents Public

    The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.

    C# 168 MIT 43 45 5 Updated Apr 10, 2025
  • TypeAgent Public

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

    TypeScript 144 MIT 34 0 1 Updated Apr 10, 2025
  • qsharp Public

    Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    Rust 660 MIT 119 140 (1 issue needs help) 11 Updated Apr 10, 2025
  • AI_Agents_Hackathon Public

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

    138 MIT 28 6 1 Updated Apr 10, 2025
  • go-infra Public

    Infrastructure supporting the use of Go in Microsoft

    Go 28 MIT 7 0 1 Updated Apr 10, 2025
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    Go 2,911 MIT 228 111 (19 issues need help) 30 Updated Apr 10, 2025
  • semantic-kernel Public

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

    C# 23,914 MIT 3,693 406 50 Updated Apr 10, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    TypeScript 1,646 474 322 3 Updated Apr 10, 2025
  • VirtualClient Public

    Benchmarking and monitoring automation, designed for cloud, built with .NET.

    C# 100 MIT 47 0 13 Updated Apr 10, 2025
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