The Japanese to English Dictionary is written in java, and so will require that you have the JRE installed prior to its installation & use. It is a hobbyist project of mine intended to address my admittedly narrow needs, and so will fall short of yours. If you have any suggestions for improvements, please let me know!
This open source application would not be possible without the Japanese-English dictionary and kanji files assembled by Jim Breen; it would also have taken a great deal...
JaLingo is a free cross-platform dictionary application. Features: list of words, while-typing search (like ABBYY Lingvo), spelling suggestion, history, HTML export. Supports 4 formats: DSL, Mova, Sdictionary and phpMyLingvo/PtkDict MySQL dumps
Java based tools aiming at facilitating text understanding and extending vocabulary. Features text annotations, generating translations from
texts or word lists. Translations are written as HTML, CSV, LIT format,... Supports various dictionary formats.