The development of Modellus 4 is being done with generous support from the Portuguese Ministry of Education (DGIDC), the Portuguese Foundation for Science and Technology (FCT), the European Community (Project IT for Understanding Science), the Institute of Physics and the research unit UIED-FCTUNL.
A concept map about Modellus and Modelling (made by Eliane Veit) Modellus 2.5 is available for download.