Tagaini Jisho is a free, open-source Japanese dictionary and kanji lookup tool that is available for Windows, MacOS X and Linux. Developed by Gnurou
License: Open Source
Tagaini Jisho is primarily focused on Japanese language learning with features tailored for vocabulary acquisition and kanji understanding, while Apertium is a more versatile translation tool that supports multiple languages but may lack contextual accuracy in certain translations.