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#

Simulation

Simulation refers to the process of creating a virtual model of a real-world system to study its behavior and performance under various conditions. This topic covers the principles, methodologies, and applications of simulation in fields such as engineering, science, healthcare, and social sciences. Simulations can range from simple models to complex, interactive environments, allowing researchers and practitioners to test hypotheses, train individuals, and predict outcomes without the risks or costs associated with real-world experiments. The topic also explores different types of simulation software and tools, as well as best practices for designing and validating simulations.

Here are 21,122 public repositories matching this topic...

Play with fluids in your browser (works even on mobile)

  • Updated Nov 12, 2024
  • JavaScript

An open source re-implementation of RollerCoaster Tycoon 2 🎢

  • Updated May 24, 2026
  • C++

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

  • Updated Oct 22, 2025
  • C++

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.

  • Updated May 23, 2026
  • C++

类似按键精灵的鼠标键盘录制和自动化操作 模拟点击和键入 | automate mouse clicks and keyboard input

  • Updated May 6, 2026
  • Python

Combustion engine simulator that generates realistic audio.

  • Updated Jun 17, 2024
  • C++

Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit

  • Updated Sep 10, 2025
  • Rust

A work-in-progress, open-source, multi-player city simulation game.

  • Updated Jan 7, 2023
  • Rust

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

  • Updated May 24, 2026
  • C++

Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.

  • Updated May 24, 2026
  • JavaScript

Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

  • Updated May 24, 2026
  • C++

The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs and CPUs via OpenCL. Free for non-commercial use.

  • Updated May 20, 2026
  • C++

An open source quadruped robot pet framework for developing Boston Dynamics-style four-legged robots that are perfect for STEM, coding & robotics education, IoT robotics applications, AI-enhanced robotics application services, research, and DIY robotics kit development.

  • Updated Apr 15, 2026
  • C++

An online request replication and TCP stream replay tool, ideal for real testing, performance testing, stability testing, stress testing, load testing, smoke testing, and more.

  • Updated Jun 18, 2025
  • C

Eclipse SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.

  • Updated May 24, 2026
  • Python

Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.

  • Updated May 22, 2026
  • Python

[IEEE T-PAMI 2024] All you need for End-to-end Autonomous Driving

  • Updated Jul 2, 2025

The main repository for the development of the evolution game Thrive.

  • Updated May 24, 2026
  • C#
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