FlashKit
Search through soundloops available free for remixing in audio creation software.

Freeplay Music
Searchable database of music only free to use for classroom use (not for publishing on the internet). Subject to your full compliance with the terms of this paragraph and full execution of a FPM license, FPM grants free master recording and synchronization rights to students, to the FPM Production Music Library, excluding the FPM Indie Artist and Sound Effects Library, when FPM music is used by students within a school or class assignment. The assignment must be part of student curriculum, must only be viewed or heard within the classroom, campus, on a school’s closed circuit television and/or public announcement system and shall be free from any charge or admission fee. Free Student Educational Use excludes the use by any school in extra-curricular activities including, without limitation, the use in clubs and the use of any kind in performance, non-broadcast multimedia, DVD duplication, distribution and/or broadcast on a public or educational access TV, cable or radio channel, web, blog, and podcast.


Incompetech
Music in many genres composed by K Macleod, is available for download under a creative commons license.

Jamendo
On Jamendo artists allow anyone to download and share their music. It's free, legal and unlimited. Most tracks are copyright under a creative commons license. Check before you use.


Mobygratis
This portion of moby.com, 'film music', is for independent and non-profit filmmakers, film students, and anyone in need of free music for their independent, non-profit film, video, or short. to use the site you log in(or on?) and are then given a password. you can then listen to the available music and download whatever you want to use in your film or video or short. the music is free as long as it's being used in a non-commercial or non-profit film, video, or short. You need to email and request license for what you use.


Sound Effects
Links to many sites that provide free sound effects: animal sounds, button sounds, sound effects and much more Some targeted advertising As the site links to external sites, not all links may be appropriate for students.

The Freesound Project aims to create a huge collaborative database of audio snippets, samples, recordings, bleeps, ... released under the Creative Commons Sampling Plus License. The Freesound Project provides new and interesting ways of accessing these samples, allowing users to * browse the sounds in new ways using keywords, a "sounds-like" type of browsing and more * up and download sounds to and from the database, under the same creative commons license * interact with fellow sound-artists!

http://soundbible.com/

http://www.pdsounds.org/ 

OpSound: Open Sound Resource Pool (www.opsound.org/opsound/pool.html)

CCMixter: Songs licensed for remixing (http://ccmixter.org)

Creative Commons Audio page (http://creativecommons.org/audio)