Languages of Guam - Basic language features, translation software, history and weekly lessons. - http://ns.gov.gu/language.html
Kanton Tasi - Chamorro dictionary and language lessons. - http://www.chamorro.com/kantontasi/
offisland.com -- Chamorro Language - A series of short and easy lessons on Chamorro on topics including the alphabet, time, counting, parts of the body and common situations. - http://www.offisland.com/cham.html