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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 173k 32.8k

  2. TypeScript Public

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

    TypeScript 105k 12.9k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 120k 7.1k

  4. terminal Public

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

    C++ 98.5k 8.6k

  5. semantic-kernel Public

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

    C# 24.9k 3.9k

Repositories

Showing 10 of 6884 repositories
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    Python 356 MIT 66 225 (1 issue needs help) 41 Updated Jun 3, 2025
  • PTVS Public

    Python Tools for Visual Studio

    C# 2,544 Apache-2.0 672 135 4 Updated Jun 3, 2025
  • SqlNexus Public

    SQL Nexus is a tool that helps you identify the root cause of SQL Server performance issues. It loads and analyzes performance data collected by SQL LogScout, SQLDiag or PSSDiag. It can dramatically reduce the amount of time you spend manually analyzing data.

    C# 386 MIT 105 28 4 Updated Jun 3, 2025
  • Agents-for-js Public

    This repository is for active development of the Microsoft 365 Agent SDK components for JavaScript

    TypeScript 26 MIT 11 51 (1 issue needs help) 5 Updated Jun 3, 2025
  • onnxruntime Public

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

    C++ 16,785 MIT 3,242 2,710 569 Updated Jun 3, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,410 MIT 5,110 971 232 Updated Jun 3, 2025
  • mu_feature_mm_supv Public

    Project Mu - Feature Repo - MM Supervisor

    C 55 28 7 2 Updated Jun 3, 2025
  • promptpex Public

    Test Generation for Prompts

    TeX 92 CC-BY-4.0 12 6 3 Updated Jun 3, 2025
  • netperf Public

    Automation system for executing networking performance tests

    JavaScript 43 MIT 15 17 3 Updated Jun 3, 2025
  • durabletask-protobuf Public

    Protobuf definitions for the Durable Task framework

    6 MIT 12 0 1 Updated Jun 3, 2025
View all repositories

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