Pymunk is a easy-to-use pythonic 2d physics library
Model-rocketry aerodynamics and trajectory simulation software
2D JavaScript Physics Engine
2D open source actuator simulation software
2D physics simulation with circle collision detection using C++.
Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS
Fast and simple fluid simulator in Julia
Juggling Lab juggling animator
Cross-platform 2D and 3D game engine with modular architecture
A 2D rigid body physics engine for the web
Simple and easily configurable grid world environments
Grey Wolf Optimizer (GWO) path planning/trajectory
Naev is a 2d action/rpg space game, action, rpg and simulation
An eXtended Finite Element Method (XFEM) Software.
JOS is an N-body simulation system written in Java
realistic driving simulation + functions for 2D/3D graphics
Beam dynamics simulations in linear accelerators and beamlines
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
CAESAR-Lisflood landscape evolution model
Scanning probe microscopy data visualisation and analysis
MzDOCK is A Virtual Screening Tool For Drug Discovery Research
numerical simulation code for solving transport equations in 1D/2D/3D
Random phenomena generator
Graphical User Interface for Gromacs