Tools for creating comics

Bitstrips: http://www.bitstripsforschools.com/

Bitstrips for Schools is an educational tool that engages students using a Comics! 30 day free trial!  DEMO

Creaza: http://www.creazaeducation.com/

Creaza offers an engaging suite of online tools where learners can use their imagination by creating, publishing and sharing digital stories, both at school and in your free time. DEMO

Kerpoof: http://www.kerpoof.com/

Kerpoof is a free online creative web2.0 tool. Kerpoof provides some handy tools for students to enable them to create their own pictures, drawings, story books, movies and comic.  DEMO

Pixton: http://www.pixton.com/

Want to make amazing comics online and share them instantly? From fully posable characters to dynamic panels, props, and speech bubbles, every aspect of a comic can be controlled in an intuitive click-n-drag motion.  DEMO

Storyboard That: http://www.storyboardthat.com/

Storyboard That provides you with three frame and six frame templates in which you can create simple cartoon stories.  DEMO

ToonDoo: http://www.toondoo.com 

Toon Doo is a free open application that allows anyone to create a comic strip. All it takes to sign up is a username and password.  DEMO