No specific info about version 2.4. Please visit the main page of JapaneseFlashcards on Mac Informer.
Create flashcards and study directly from your Mac.
A user-friendly Japanese-English Dictionary with a huge words list.
Free, open-source Japanese dictionary and kanji lookup tool that aims at becoming your Japanese study assistant.
Translate Japanese words using a Safari extension.
alaa kanji is a free and open source Japanese Kanji study and testing tool.