Classic Thesaurus Alternatives

Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up...

One-click lookup in any almost any Windows program; Hundreds of thousands of definitions and synonyms; The latest international English words; Works offline, or reference to Wikipedia and web references.

ABcard - service allows you to issue an unlimited number of cards to pay for advertising accounts. 3 unique BINs for any work tasks, management of a team of media buyers inside a personal account and complete anonymity when paying for traffic.

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The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.

Open Source

Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...

WordNet® is a large lexical database of English.

VerbAce-Pro is an easy-to-use Desktop Translation Software. Translate in a mouse click

TemaTres is a Controlled Vocabulary server. Manage, publish, share use and re-use Ontologies, taxonomies, thesauri, list of values. The open source way to manage formal representations of knowledge

Dictionary.com is the world’s leading digital dictionary. We provide millions of English definitions, spellings, audio pronunciations, example sentences, and word origins.

The Google Docs thesaurus add-on that doesn't suck.

TheSage is a powerful language reference system that couples a professional dictionary of the...

30,000 root words, 2.5 million synonyms andrelated words

The Top Words Like website is a great resource for finding synonyms for any given word.

Clear, effective, mistake-free writing everywhere you type.

freemium $12.0 / Monthly (Premium)