3D Wormhole
3D Wormhole will delight you with its movement and color. You'll watch the iris open and then be propelled down a dizzying wormhole. This saver is completely configurable. You can control the color and density of the walls of the tunnel. The end of tunnel effect can be turned on and off and the... In addition you can adjust the speed, quality, depth and curves. ... As soon as the mouse is touched, you will see your desktop at the end of the tunnel and you are quickly transported there to resume your work.
http://www.mytsoftware.com/3dwh/3dwormhole.exe - 72Kb - Download - Screenshot

Brickster
Relax and have hours of fun with Brickster! Break your way through 100 colorful fun-filled levels, with 16 unique powerups to aid you in your quest. Freeze unbreakable and multi-hit bricks to easily destroy them, and rapidly demolish bricks with the dual blaster paddle. ... Brickster can be played at three difficulty levels, making it fun and enjoyable for newcomers and advanced players alike. ... But watch out for wormholes, which will warp your ball across the screen!
http://www.valengames.com/downloads/brickster_demo_setup.exe - 1Mb - Download - Screenshot

Vorboils
Vorboils is an awesome 3D screen saver. It generates beautiful, random wormholes that wobble, mutate and amaze. Vorboils is highly configurable (currently supports 258 configurable options) and can even run in interactive mode! Vorboils can automatically generate funky wallpapers and... Beautiful lush DirectX graphics with amazing special effects! ... Fully configurable - 228 configurable options! ... Ability to run in interactive mode! ... Save, load, download & share your favourite themes (tunnels)!
http://www.boiledsweets.com/vorboils/bin/vorboilsdemo.zip - 8Mb - Download - Screenshot

RecallPlus
Study software -Make your notes as Text/Ink diagrams reflecting your thoughts, rather than typically having to confine your thoughts to standard notetaking rules. RecallPlus will then test your knowledge of the notes you have made and track your revision to optimize learning efficiency. ... results graphed out in a report. ... Your study behaviour is observed and simulated up to the time of an exam? ... Study time need predictions are real! ... Shape recognize allows the rough drawing of shapes and a single click then changes that shape into a smoothed one.
http://220.245.81.181/Download/SetupRecallPlusV3.exe - 13Mb - Download - Screenshot