Here's a few good free remixes and tracks that I have found!
Madonna and Justin Timberlake "4 Minutes" (Love and Light Remix) DOWNLOAD LINK IN SONG DESCRIPTION by Love and Light
homie Cyma putting out a freebie for ya!
Tail Spin by Cyma
A great cinematic dubstep track by Megaclown:
Megaclown - Viola Tears (!!! NEWEST, FREE DOWNLOAD !!!) by Megaclown
Homie Nick Bliss laying down a SICK downtempo mix! Check it, listen, download!
Dream Walker - Basstream Exclusive Mix by Nick Bliss
Heyoka - Shmazdipdoodlydurkayoda (free 192kMP3 album sample track) by Muti Music