Manabu-san
I wrote this software (based on JMDict) to learn new words in japanese. It’s written in C++ (wxWidgets) and use sqlite3. A compiled version for Windows is available for download (with installer / uninstaller). I am sharing the source, but i won’t recommend to learn from it (a cobe::blocks project).
Here’s a screenshot in Windows:
Here’s a screenshot in Ubuntu / Gtk:
Download the installer (for Windows, beta)
Download the source (code::blocks)