QuartzCompositions.com the central source for Quartz Composer :: wiki I had found QuartzCompositions.com to be an excellent source for cool Quartz Compositions, but now it's evolved to support a wiki that appears to have an excellent, comprehensive catalog of information on using Quartz Composer. Everything from coding custom patches and using JavaScript in a Quartz Composition to lessons on optimizing your composition are here. Definitely a must-bookmark if you're interested in Quartz Composing.