Frevo is probably the simplest tool for evolutionary design
Water & steam properties Java library
Universal modeling and simulation of fluid mechanics upon ML
A simulator for drones, cars and more, built on Unreal Engine
Interactive geometry software for Euclidean and non-Euclidean spaces
Numerical routines for variational matrix product state simulations.
A High-level Utility Package for FMI-based Software Development
Growth-grammar related Interactive Modelling Platform
Real-time interactive 3D graphics API for scientific simulations
Modbus slave simulator
PySCeS Constraint Based Modelling
Biomolecular electrostatics software
Radial-velocity & transits analysis tool for exoplanets