Comic Creators
The power of cartoons: Patrick Chappatte on TED.com
PowToon: amazing animation tool - not free, but may be worth the fee.
Comic Master - Create your own short graphic novel.
Make Beliefs Comix - online educational comic generator for kids of all ages.
ToonDoo - The cartoon strip creator
ReadWriteThink - Comic Creator
Bubblr - a tool to create comic strips using photos from flickr.
Pixton - Create Click-N-Drag web comics online
Chogger - web comic strip creator
http://www.professorgarfield.org/pgf_comics_lab.html
http://learnenglishkids.britishcouncil.org/en/make-your-own/comic-strip-maker