This year
Babylon Translation Software and Dictionary Tool
(via)The Oxford Dictionary of Difficult Words | Learning English Together
J. B. Heaton, N. D. Turton - Longman Dictionary of Common Errors (2 edition) [1996, PDF] :: RuTracker.org

Longman Pronunciation Dictionary / Словарь произношения английского языка [2008, ISO, ENG] :: RuTracker.org
2011

Cambridge Dictionary Online: Free English Dictionary and Thesaurus - Cambridge University Press - Cambridge Dictionaries Online - Cambridge University Press
by 22 others (via)2009
that - definition of that by the Free Online Dictionary, Thesaurus and Encyclopedia.
think - definition of think by the Free Online Dictionary, Thesaurus and Encyclopedia.
Ethernet - definition of Ethernet by the Free Online Dictionary, Thesaurus and Encyclopedia.
The Free Dictionary (farlex) on Twitter
(via)kernel - definition of kernel by the Free Online Dictionary, Thesaurus and Encyclopedia.
2008

heinemann wordbuilder.pdf
The English Language Reference - Picture Dictionaries

The English Language Reference
4shared.com - document sharing - download The American Heritage Dictionary of the English Language, Third Edition.pdf
(via)The English Language References: The American Heritage Dictionary of The English Language
Mobile » Software : Java Dictionaries for Mobile (NEW)
epitaph - definition of epitaph by the Free Online Dictionary, Thesaurus and Encyclopedia.
