All Languages
Duolingo.com
Quizlet.com
Wordreference.com
Conjuguemos.com
Ver-taal.com
Forvo.com

Chinese Language
Hanban Chinese Test
Confucius Institute Headquarters

French Language
Lepointdufle.net
Best French Websites
AP French Language and Culture | The Course & Exam

Italian Language
Best Italian Websites
Grammaticaitaliana.net
AP Italian Language and Culture | The Course & Exam

Spanish Language
BH Spanish I-V Google Site
Studyspanish.com
Spanishlistening.org
Spanish Language & Culture
Spanishdict.com
AP Spanish Language and Culture | The Course & Exam