Sample Swap offers a free AIFF/WAV collection of 4.8 GB (12,372 sounds), including 2,101 techno, hiphop, trance, and drum ‘n’ bass loops / breakbeats, 1214 drum hits, 71 drum kits, 2089 sound FX, 1036 instrument samples, 1200 vocal samples, 983 melodic loops, and more.

The site lets anyone browse MP3 previews. To download full-quality originals, you need to register with the site.