A cross-platform statistical package for econometric analysis
OpenNum lets you distribute solvers with a nice graphical interface
PySCeS Constraint Based Modelling
A multi-modeling and simulation environment to study complex systems
GUI for managing and working with one or more HTCondor pools.
A Library for Interactive Modelling and Visualisation
Distributed Network emulation tool for high rate packet
Solve Differential Equations
Python-based GUI for discrete-event system modeling and simulation