Not an app, but a resource like the cave of Ali Baba: Open Culture helps you find high-quality cultural and educational media. Open Culture tries to centralise, curate and give access to free content. Many of these resource collections are very useful for online learning. On Open Culture you can find free online university courses, a few thousand free movies, especially classic movies (films by Tarkovsky, Eisenstein, Kurosawa and others) and documentaries that you cannot find anywhere else, free audio books and ebooks for e-readers, MOOCs, language courses, podcasts, etc. Open Culture is a valuable archive for the recent media history with remarkable recordings of recent historical events, such as Martin Luther King’s speech or a lecture by Richard Feynman…
Free on www.OpenCulture.com