NVIDIA Isaac Sim is an open-source application on NVIDIA Omniverse
Data Analysis, Simulations and Visualization on the Sphere
General Mission Analysis Tool
Simulate chemical processes using advanced thermodynamic models
Object-oriented equation-based modelling and optimisation software
Simulation and algorithms for queueing theory
An eXtended Finite Element Method (XFEM) Software.
Open source software calculating industrial noise in the environment
Graphical User Interface for Gromacs
Modular System for Shelves and Coasts
Quantum Mechanical Charge Field - Molecular Dynamics
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
Modbus slave simulator
PySCeS Constraint Based Modelling
Biomolecular electrostatics software
A framework for simulating open quantum dynamics
Open source software for robot simulation, integrated with OpenAI Gym
Molecular Dynamics Cell Construction