Video Repositories

SourceDescription
Language Input
Language Reactor YouTube catalogue
Catalogues of good subtitled YouTube videos/channels in lots of languages
Language PlayerCurated lists of video content and useful resources in lots of languages.
OlingoShows you some good YouTube content for some of the most popular languages
r/languagelearning media sectionA list of good media resources

TV

eja.tv – Live TV in lots of languages/countries
Lingo Pie – A foreign language TV streaming service designed for language learners
Netflix – A great source of foreign language TV and movies with subtitles

Reading

SourceDescription
Project Gutenberg
Wikibooks
Loyal Books
Free public domain e-books
GlossWebsite with a lot of beginner content
The Fable CottageDual-language fairy tales
Books by Olly RichardsConversations and Short Stories series of books available on Amazon
Unofficial Duolingo StoriesDuolingo conversations translated into more languages
Language FlowerAn app with books in different languages with translations

Audio

SourceDescription
Language Podcast ListA large repository of podcasts in lots of languages from Lindsay Does Languages, includes some great linguistics ones in English
Radio GardenTune into radio stations from any country
LibriVoxPublic domain audiobooks