A Dassault Aviation project to simplify the building of prototypes
Frevo is probably the simplest tool for evolutionary design
Includes tools for performing electronic calculations.
3D driving simulation based on Open Dynamics Engine
Modular System for Shelves and Coasts
Water & steam properties Java library
A simulator for drones, cars and more, built on Unreal Engine
Interactive geometry software for Euclidean and non-Euclidean spaces
Growth-grammar related Interactive Modelling Platform
A High-level Utility Package for FMI-based Software Development
PCRaster environmental modeling software
HP-41cx Emulator
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
Utility to show live progress, status & stats for running simulations