Ecosim
Ecopath with Ecosim v.6.2.0.620
Ecopath with Ecosim (EwE) is a free ecological/ecosystem modeling program suite.
EwE v.6.0
EwE is an ecological modeling software suite for personal computers that has built and extended on for almost twenty years.
EcosimPro v.4 8
EcosimPro is a first class modelling and simulation tool for modelling 0D or 1D multidisciplinary continuous-discrete systems and any kind of system based on differential-algebraic equations (DAE) and discrete events.