Stackz has an integrated dictionary system for Japanese and Chinese. The main three tool dialogs are described here:
Dictionary Dialog (J, C) translates
words using EDICT formatted dictionaries.
The KanjiSelect Dialog (J) finds the kanji that maches your criteria.
The KanjiInfo Dialog (J) displays detailed information about a given kanji.
dictionary system of Stackz is available as standalone application under
the name of KanjiBrowze. It is available in two versions:
a freeware version with limited features (KanjiBrowze standard), and
version (KanjiBrowze PRO).