slimanimation - to make stick figure or hand drawn animations
PaintBerri - PaintBerri is a free art site that offers an awesome oekaki community.
PENUP - PENUP is a creative SNS based on Pen generated images. Share your imagination with global creative minds.
FurAffinity - Fur Affinity, the internet's largest online furry art community.
Brush Ninja - Hand-drawn Animated Gif Creator
Sta.sh - Art - community of artists and those devoted to art.