Database of Latin Dictionaries: Modern, medieval, and early-modern dictionaries that enable cross-platform searchs for comaprison with contemporary or historic forms of English, French or German. Trial ending March 23, 2015.
Dictionary of Old English Corpus: (before 1100 AD) Contains full text of all surviving material in Old English, excluding some variant texts. Includes over 3000 different texts.
Thesaurus Linguae Graecae (TLG): The project has collected and digitized most texts written in Greek from Homer (8 c. B.C.) to the fall of Byzantium in AD 1453 and beyond. Its goal is to create a comprehensive digital library of Greek literature from antiquity to the present era.