Powerful ASCII art editor designed for the Mac.

graphics library that lets you draw in a sketchy, hand-drawn-like, style. The library defines primitives to draw lines, curves, arcs, polygons, circles, and ellipses.

Pogo Connect puts the fun back into sketching or taking notes on iPad. It's a bluetooth pen that allows you to draw with different line widths on an iPad. It's simple to set up, and works with many drawing and note-taking apps.