Canvas tag:

The first time I came across the canvas tag was when Firefox 1.5 came out. You will need a browser that supports the canvas tag, so if you don't have Firefox 1.5 or above : go get it.

• A couple of canvas demos showing images bouncing and moving.
• Fractal trees. A different tree for every reader.
• L-systems. Another type of fractal system based on text replacement. Fractals grow before your very eyes. Easy to use!
  
• 3D wireframe demo. Spinning cube! An alien invader!
  
• My Pictures a photo gallery.
  
• A particle system. Bouncing balls and bouncing sperm. With real sperm-bouncing-physics.