PaintBerri - PaintBerri is a free art site that offers an awesome oekaki community.
Adobe Animate - Adobe Animate is a Flash, vector animation software.
okekai - A small community site where you can draw, animate, and chat through pictures all for free
Wonderfl - wonderfl is a service where you can build Flash(swf) online.
Brush Ninja - Hand-drawn Animated Gif Creator
Aphalina Animator - Visual tool for creating interactive SVG animations: HTML5 banners, svg icons, interactive web...