quartz_links

http://developer.apple.com/graphicsimaging/quartz/quartzcomposer.html
http://en.wikipedia.org/wiki/Quartz_Composer

http://developer.apple.com/tools/download/ (Xcode)

http://kineme.net/
http://eskatonia.net/qcblog/ (Quartoniam)
http://fdiv.net/category/interactive-media/quartz-composer/
http://www.vidvox.com/index.php  (VDMX)
http://adrienm.blogspot.com/index.html

tutoriales
http://flow.la-va.org/archive/quartz-composer-tutorial-ribbon-cube/
http://www.quartzcompositions.com/phpBB2/mediawiki/index.php/Tutorials