Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up, passive desktop notifications, regular expression based search, etc. Developed by Sundaram Ramaswamy
License: Open Source
Artha is a user-friendly, offline dictionary primarily suited for casual users and students who need basic translation and dictionary features, while Lingoes offers a wealth of advanced features, including audio pronunciation and various learning tools, making it ideal for language learners and those needing more extensive resources.