/Favorites - Slick player for Soundcloud favorites
Momixa - Pick two songs and get the perfect mix
DaftCloud - DaftCloud is a free and wonderful designed SoundCloud App for macOS.
Liveset Database - Database site with tracklists from Dj sets
Hermes - Pandora Client for OS X
FIEND.fm - "Hot or Not" for music discovery: 2 hrs of tracks in 2 mins