Navdeep Bains of Bains Software has released a Mac OS X version of MacDICT, a dictionary program.
Besides Mac OS X compatibility, MacDICT X 2.2 — which is made with the REALbasic development environment from Real Software — lets you access a growing number of databases, including Websters Dictionary, for free, Bains said. Other databases include the US Gazetter, Free Online Dictionary of Computing, WordNet, Jargon File, and the CIA World Factbook
MacDICT X 2.2 is an 832 KB file to download. And it’s free.