SmoothDraw 

SmoothDraw is a natural painting and image editing software that can produce the same quality as Painter. Support many kinds of brushes (pen, pencil, dry media, airbrush, bristle brush, image hose, etc.), retouch tools, layers, image adjustment, and many effects... Works great with tablets and Tablet PC.
draw paint image picture retouch graphic brush transparent alpha layers smooth cartoon anime

the TAB 

The TAB has been created to satisfy the needs of cartoon artists, animation designers and web-animation companies who need a quick and powerful tool for their creations, eliminating the tedious slowness of the hand-drawn animation.
2d animation animation software paperless animation cartoons web animation flash vector based

EnvisionAide 

With this tool you can achieve quicker and more creative research using documents, the internet and discussions. It can also help you make clear well-focused reports. A tutorial and help-guide is included. Educational use concession - $29.
research innovation creativity ideas project management analysis invent search documents reports market mobile wireless