korean

• http://english.visitkorea.or.kr/enu/index.kto
• http://www.talktomeinkorean.com/
• http://www.howtostudykorean.com/
• https://www.coursera.org/learn/learn-korean
• http://korean.cuk.edu/en/
• http://www.aprendendocoreano.net/
• http://coreanopassoapasso.blogspot.com.br/
• https://pathwaytokorean.osu.edu

english

• https://www.edx.org/course/english-grammar-essay-writing-uc-berkeleyx-colwri2-2x-0
• https://www.edx.org/course/english-composition-asux-eng101x-0#!
• http://www.bbc.co.uk/learningenglish/english/
• http://mooec.com/

chinese

• https://www.coursera.org/learn/learn-chinese
• http://www.chinese4.eu/pt/
• http://www.bbc.co.uk/languages/chinese/real_chinese/
• http://www.langcen.cam.ac.uk/lc/opencourseware/cb/chinese-basic.html
• http://www.langcen.cam.ac.uk/lc/opencourseware/ci/chinese-inter.html
• https://itunes.apple.com/itunes-u/beginners-chinese-audio/id380227642?mt=2

spanish

• http://www.langcen.cam.ac.uk/lc/opencourseware/slo/spanish-lo.html
• https://oli.cmu.edu/jcourse/webui/guest/join.do?section=spanish1
• http://www.open.edu/openlearn/languages/spanish/spanish-espacios-publicos/content-section-0

japanese

• http://www.nhk.or.jp/lesson/portuguese/
• http://aulasdejapones.com.br/
• http://www.comoaprenderjapones.com/