Artha - Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up...
Crowdin - Localize your product in a seamless way
Power Thesaurus - Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Classic Thesaurus - crowdsourced thesaurus
Moby Thesaurus - 30,000 root words, 2.5 million synonyms andrelated words