visit also

jemris mri simulator
open-source full-featured parallel tx/rx mri sequence and hardware simulator by tony stoecker, kaveh vahedipour and daniel pflugfelder.

bloch simulator for education in mri and nmr
free educational mri and nmr sofware. multi- os/platform without installation of software. remarkable and beautiful effort by lars hanson from drcmr, hvidovre, dk.

gagdetron
a comparable project to codeare by michael hansen and thomas sorensen.

mri unbound
a collaborative forum for mri data acquisition and image reconstruction maintained by the unbreakable jim pipe.