CDNsim is a GNU/LINUX simulation tool for CDNs, written in C++ (core) and python (GUI wizard). It models: redirection policies, cache policies, TCP/IP, batch simulations, statistics extraction and more. CDNsim is uses the OMNet++ library
An extension of Code_Aster to add multilingual support to it's varying GUI interfaces included in the default package. Eventually, we also intend to extend Code_Aster by contributing command file templates and extending the analysis abilities.