weasleyburrow:

website that will teach you spanish, french, italian, german, etc. completely free

write a blog in any language and get corrections from native speakers

blog that will help you become fluent, quickly

language learning resource blog (includes esperanto)

free language learning textbooks

get ‘let it go’ from frozen in a bunch of languages

listen to native speakers

Spanish

alphabet song

number rap

informational youtube channel for learning spanish

interactive game/drama

spanish music playlist

spanish for dummies book

disney songs in spanish

German

alphabet song

number song

cute videos made for german children (easy to understand)

learn german from native speaks on youtube: here and here

german music playlist

watch movie trailers in german

german for dummies book

disney songs in german

French

alphabet song

number song

informative youtube channel for learning french

french music playlist

french for dummies book

disney songs in french 

Italian

alphabet song

number song

informative youtube channel for learning italian

italian music playlist

italian for dummies book

disney songs in italian

Japanese

alphabet song

number song

japanese commercials 

youtube channel with videos on japanese and japan

japanese music playlist

japanese for dummies book

disney songs in japanese