Interactive geometry software for Euclidean and non-Euclidean spaces
NETGEN is an automatic 3d tetrahedral mesh generator
HP-41cx Emulator
OpenNum lets you distribute solvers with a nice graphical interface
Modbus slave simulator
Portable OS X FOSS applications
A simulator for biological and physiological models
Simulate an epidemic like the Corona Pandemic and look at statistics
X-ray diffraction (XRD) analysis for hkl simulation of any crystal.
RSSceSim - Reputation System Scenario Simulator
Epidemic simulator
professional open source software for LCA
Advanced 2D simulator for evolving harmonical waves.
Molecular Dynamics Cell Construction
a Toolset for Molecular Mechanical Force Field Parameterization
Advanced Simulation & Visualization of 2D dynamical systems
Dynamic visualization of Harmonic Functions