English - Greek Computer Dictionary
To read the Greek, set page encoding to Greek (Windows-1253) before you type in the word to translate. Includes an acronym dictionary.

Focusing on Words
An advanced Latin-Greek-English vocabulary source of etymologies with thematic units of roots, prefixes, and suffixes, and vocabulary quizzes.

Greek - Ancient Greek - English Dictionary
For ancient or modern Greek. Greek words are printed in both Latin and Greek fonts.