Below, a list of resources for translator including dictionaries, glossaries, etc. We have moved the links from the side bar and put them all here for easy finding. All of these resources are highly recommended.
English dictionaries (all fields except technical, see glossaries)
Investor Words (investment terms)
MacMillan Dictionary (very useful, with collocations)
Your Dictionary (a personal favourite, also has an iPhone app)
Thesaurus (very good, includes spell check)
Babla – dictionary with words in context
My Memory Translated (powered by Google)
OneLook (searches words in all languages in a wide range of dictionaries)
PONS – The Language Portal (excellent dictionary, with words in context and options)
Proz.com Term Search (mostly technical words, phrases and sentences, in context)
Websters Online Dictionary (a great dictionary with options, similar words, detailed explanations)
Wordreference (this website has a great forum where you can ask questions if you don´t find the word/phrase you need)
Lingi.com (words and phrases in a wide range of languages)
My Dictionary.net (very good dictionary in most languages)
English <> Portuguese Dictionaries and Glossaries
English <> Spanish Dictionaries and Glossaries
Glossaries (English only)
Dye Glossary (pdf)
TechTerms Computer and Technology Glossary – essential if you are translating in this field.
Antonyms, Synonyms, Acronyms (abbreviations), etc.
Thesaurus (the best synonym dictionary out there)