GHER: numerical oceanography team at the University of Liege, they also produced various tools such as a hydrodynamical model, a cloud-filling procedure (DINEOF), a variational interpolation tool (DIVA-nd) etc
MAST: oceanography team at the University of Liege (Belgium), also specialising in biogeochemical modelling
CIIMAR: the oceanographic team at Porto and Madeira
NIMRD: the Romanian marine research institute
NEMO: finite-differences ocean model
ROMS: another one
GETM: another one, with the focus on coastal oceans
DieCAST / TIMCOM: an efficient, multi-scale one
OAK: the ocean data assimilation kit
BAMHBI: a Black-Sea-focused biogeochemical model