ColorMe - Visualize The CSS Color Function
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
ibis Paint X - Drawn with + ibisPaint
Looom - Looom is one of the best hand-drawn animation apps that makes it easy for anyone to create beautiful animations.
Flamingo Animator - Flamingo Animator is the perfect app for anyone who wants to create their own animated cartoons.
Pigment by ShapeFactory - A unique way to explore color using lighting and pigment