Creative Commons

Free music:

http://freemusicarchive.org/

https://licensing.jamendo.com/en/catalog

http://audiofarm.org/

http://cctrax.com/

 

Sound effects:

http://www.freesound.org/browse/tags/music/

http://soundbible.com/free-sound-effects-1.html

https://www.partnersinrhyme.com/pir/PIRsfx.shtml

 

Stock videos:

http://www.motionelements.com/free/stock-footage

http://www.free-hd-footage.com/

http://footagecrate.com/

http://www.beachfrontbroll.com/

http://www.free-video-footage.com/index.php?svideo=1

https://vimeo.com/groups/freehd/

http://www.openfootage.net/

https://www.videvo.net/