The Moving Image Archive within the Internet Archive provides access to nearly a quarter million films, uploaded by Archive users, and ranging from classic full-length films, to daily alternative news broadcasts, to cartoons and concerts. Videos in the Archive are organized into 15 broad sub-categories: Animation and Cartoons, Arts & Music, Computers & Technology, Cultural & Academic Films, Ephemeral Films, Home Movies, Movies, News & Public Affairs, Open Source Movies, Spirituality & Religion, Sports Videos, Video Games, Vlogs, and Youth Media. The Archive also contains the Prelinger Archive, the most complete and varied collection of ephemeral films (advertising, educational, industrial, and amateur) in existence.

http://www.archive.org/details/movies