Iceberger - Draw an iceberg and see how it will float
Drawy - Learn to draw, use camera to score your drawings
TryDraw - Improve your line art and observational skills with our tool that highlights your mistakes.
Stickman Builder - Free parametric graphic Stickman Builder, creates fascinating stick figures on the fly.
Borno - Learn Alphabets with Interactive Charts
StickyPy - Stick figure animation program written in Python and PyGame