General Mission Analysis Tool
Data Analysis, Simulations and Visualization on the Sphere
Modular System for Shelves and Coasts
A High-level Utility Package for FMI-based Software Development
OpenNum lets you distribute solvers with a nice graphical interface
Modbus slave simulator
PySCeS Constraint Based Modelling
Biomolecular electrostatics software
Pure-python binary fixed-point arithmetic library
Simulated Airline Travel Solution Provider Library
An Open source Analysis and SImulation Toolbox for Fuel Cells
Multiscale Neuroscience and Systems Biology Simulator
Monte-Carlo simulation for ultra-cold neutrons
Travel Market Simulator