Jim Breen's WWWJDIC, primary web interface for EDICT
RomajiDesu, features EDICT-based dictionary, Japanese to Romaji/Kana/English translator, also includes KANJIDIC, KanjiVG, sample sentences, and Text to Speech.
Denshi Jisho, features EDICT-based dictionary KANJIDIC, KanjiVG and sample sentences
Tanoshii Japanese, features EDICT-based dictionary, Text to Speech, KANJIDIC, KanjiVG and learning features