General Mission Analysis Tool
Individual-based forward-time genetics simulation software
A simple tool for the visualisation of coarse-grained systems
JASI - Java Event-Based Simulation Framework
Interactive geometry software for Euclidean and non-Euclidean spaces
A High-level Utility Package for FMI-based Software Development
HP-41cx Emulator
Draw and Simulate Finite States Machines (FSM)
OpenNum lets you distribute solvers with a nice graphical interface
NMR Product Operator Calculator
Portable OS X FOSS applications
PySCeS Constraint Based Modelling