Object-oriented equation-based modelling and optimisation software
ASALI is an open-source code for chemical engineers
A multi-modeling and simulation environment to study complex systems
Former home of the Virtual Cell platform (VCell), see http://vcell.org
The Repast Suite is a family of free agent-based modeling libraries.
Power flow library in C++
Command Centre
Visu@lGrid - IDE for Building BOINC Projects