NVIDIA Isaac Sim is an open-source application on NVIDIA Omniverse
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
An EnergyPlus shell for parametric studies and more ...
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
Static and Dynamic Structural Analysis of 2D and 3D frames.
OpenNum lets you distribute solvers with a nice graphical interface
Molecular Dynamics Cell Construction
Free multiphysics simulation software package
Open Knowledge on engineering development.
Open source 3D Matlab Isogeometric Analysis Code
collection of illustrative programs:small games, simulators: C, Matlab
2D Finite Element Analysis for Acoustics