1)   AlphaStar 1.0
AlphaStar is a new bundle of special effects for Adobe After Effects CS3 and other compatible editing programs. It allows create special effects such as highlights, stars, flashes, blinks, lens flares, rainbows, beams and animates ones.

 2)   Looking Glass 1.0b2
Looking Glass is an interactive physics package that helps students visualize and understand the effects of optical components on light rays. While creating and exploring their own lenses and mirrors, students encounter the core concepts in optics.

 3)   free 3D Manta Ray Aqua 2.6
A Must see screensaver of photorealistic Manta Rays swimming across the screen. This screensaver will help you relax after a boring day. The graceful Manta Rays swimming through the blue depths and the amazing play of light on their skin.

 4)   free 3D Aqua Screensaver 2.85
A very beautiful underwater scene which helps to relax. The scene includes many different species of fish. It also includes natural rocks and plants, and an amazing play of light on their skin .