Thyself - Mindful mood tracking for greater self-awareness
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
NOISESUPPLY - Pandora for SoundCloud
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.
Moodflow - Moodflow app offers features that let you track your mood, emotions, and thoughts so you can have deeper knowledge about yourself.
KeyFinder - Key estimation software for DJs