StickyPy Alternatives

StickyPy

Stick figure animation program written in Python and PyGame.
StickyPy has quite a wide variety of features so far, these include:
Key frames for interpolation
Friendly user interface (It isn't as hard as it looks)
Variety of limb shapes: Line, Circle, Text, and Image
Logical tree scene layout
Zooming and panning
Almost everything can be animated
A camera viewport (Also animatable)
Multiple vertex selection
Box and lasso selection tools
A Keyframe editor
Simple saving and loading
Onion skinning (Or motion blur, whatever floats your boat)
Simple rendering
Pretty fast, considering its written in Python
100% from scratch, including the GUI system!