SFX, Video & Foley Libraries
Soundbible
SoundBible offers thousands of free sound effects, sound clips, and straight up sounds. These sounds can be used in a variety of sound projects including Video Sound Scores, Movie Scoring, Game Design, Powerpoint Presentations, Prank Calls, Sound Boards, and the list goes on. SoundBible.com is a great source for copyright free sounds.
Internet Archive
The Internet Archive, a 501(c)(3) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, the print disabled, and the general public. Our mission is to provide Universal Access to All Knowledge.