XMedCon
From SLS
XMedCon [1] is an open source medical image conversion utility and library released under the GNU LGPL
The title (X)MedCon stands for Medical Image Conversion released under the GNU's (L)GPL license. It bundles the C sourcecode, a library, a flexible command-line utility and a graphical front-end based on the amazing Gtk+ toolkit.
Its main purpose is image conversion and this in particular for reconstructed nuclear medicine images.