GoldenDict
Freemium
GoldenDict is a feature-rich dictionary lookup program, supporting multiple dictionary formats.
dict.cc
Free
dict.cc is a free, multilingual online dictionary. The site's database can also be downloaded and used offline.
StarDict
Open Source
StarDict is a free GUI released under the GPL for accessing StarDict dictionary files.
Tagaini jisho
Open Source
Tagaini Jisho is a free, open-source Japanese dictionary and kanji lookup tool that is available for Windows, MacOS X and Linux.
Compare Babylon with alternatives
Compare Tagaini jisho and Babylon and decide which is most suitable for you.