Learning:
Akropolis World News (World news in Ancient Greek)
Rouses "A Greek boy at home, a story written i Greek"
Morices "Stories in Attic Greek, forming a Greek reading book"
Teaching:
Annotated Bibliography: Selected Resources for Teaching Greek and Latin (Cornell College, USA) – Exhaustive and regularly updated
Teaching Classical Languages – peer-reviewed online journal supported by the Classical Association of the Middle West and South (CAMWS)
Resources for Latin and Greek Teachers (Cornell College, USA)
Latinteach (collection of articles and resources)
Thamyris, new series (journal for the teaching of classical culture, Greek and Latin, in Spanish)