GlyphEdit is a vector oriented drawing application written entirely in Java.
It feautures an AA graphics renderer of own design and a set of custum GUI elements (buttons, panels) that resemble the look of Apple Mac OS X.
ThreeSpace is a 3D drawing program, or modeller if you will, primarily intended for visualizing and playing with mathematical functions. It allows you to superimpose these or otherwise alter objects in 3D using them.
LPaint is a basic drawing program. The first version will propose basic drawing tool (from pen to polygon and bezier curves) as in Paint under MS Windows or GNU Paint. But next LPaint will include morpho-mathematic algorithms.