Toonator - Toonator is an online cartoon editing tool, create and share your own animated cartoons.
Panel Jam - Collaborate with others on comic strips
RateMyDrawings - RateMyDrawings is an online drawing community that allows artists and illustrators to draw online.
SketchPort - SketchPort is an online drawing community with free software for PC, Mac, iOS, and Android.
slimanimation - to make stick figure or hand drawn animations
Formgraph - Formgraph is a collaborative vector drawing tool and social network.