Universal mulilingual dictionary - From any language to many others. Eclipse based, may be embedded in Eclipse IDE. Download and plug in xdxf dictionaries from http://xdxf.revdanica.com/down/. Now supports StarDict format
Slowarj provides a dictionary and a rehearsal tool for almost any language.
Goal: provide a way of creating dual language dictionaries and the possibility to use these for rehearsing.
Requires libedk, see: http://sourceforge.net/projects/edk