Web, No pronunciation scores, Free
Thousands of people have uploaded videos with beginning (and higher) language lessons. The main problems are that you do not know (a) how good the pronunciation is, and (b) how well organized the lessons are.
French lessons reviewed here.
German lessons reviewed here.
Irish lessons reviewed here.
If you find a channel with a large number of good lessons, tell me or send a review or Comment below, and I will try to include it.
For intermediate students who know some words, YouTube teaches you the words and music of many songs in Arabic, Chinese,English, French, Indonesian, Russian, Spanish, etc. However in some languages, searching for the local translation of "song lyrics" on YouTube just gives songs in English.