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
ABBYY Lingvo Dictionaries offers a more comprehensive and professional dictionary experience with rich multimedia content, but it comes with a subscription cost. Tagaini jisho, being open-source and free, provides a customizable and lightweight option, though it may lack some depth in its dictionary offerings.