Greek 

Greek is spoken in Greece and Cyprus. There is 
ancient(classical) Greek, which was spoken before Christ, and 
modern Greek. Both forms of Greek use a non-Latin font.

Sprachprofi Files: Greek-German  Greek-French

Sentences for Travellers
	
Learn the writing

Ancient Greek: Grammar

Practise Ancient Greek

Quiz

Course: Modern Greek (in English)  
Modern Greek (in Italian)
Ancient Greek
Real-Audio Lessons

Online dictionary

Free help translating a phrase from/to Greek

Professional (paid) translations from/to Greek 

Resources for offline learning:
Greek electronic dictionaries, translators & software
Pimsleur (Modern) Greek
(Ancient) Greek: An intensive course
(Ancient) Greek grammar
(Modern) Greek grammar
English-Greek-English dictionary
More...
Modern Greek products from worldlanguage.com
Classical Greek products from worldlanguage.com

Misc:
Tongue Twisters in Greek
Ancient Greek Texts
Comparison: Ancient/Modern Greek
Cursing in Greek
Greek newspaper