Average and morph faces online http://webmorph.org/
WebMorph is the online version of PsychoMorph, which was originally developed by Bernie Tiddeman. You can get the desktop version of PsychoMorph here http://users.aber.ac.uk/bpt/jpsychomorph/
WebMorph is developed by Lisa DeBruine at the Face Research Lab at the University of Glasgow.
Apache/PHP
sudo sed -i '' '$a\