What heatmap solution is best?

What heatmap solution is best? 
11 Tools and suppliers at a glance. 
by Peer Wandiger at http://www.selbstaendig-im-netz.de/

read the article at :
http://www.selbstaendig-im-netz.de/2013/01/17/usability/welche-heatmap-loesung-ist-die-beste-11-tools-und-anbieter-im-ueberblick/