The Camelot Wheel Key Assistant is a free Chrome extension that suggests compatible keys directly in your browser.

Camelot Wheel: Free Download and Essential Guide for DJs The is a revolutionary visual tool designed to simplify harmonic mixing —the art of transitioning between songs in compatible musical keys. Created by Mark Davis of Mixed In Key , it translates complex music theory into an easy-to-use alphanumeric system.

MixOrMiss features a and setlist builder that allows you to click keys to see compatible matches.

Alan Fullmer's Tools offers a for both DJs and music producers.