Bars is a tiny (2.9KB !) screen saver application that once launched starts animating bars on the screen moving in various patterns.  What's cool about it is that typing a random key on your keyboard changes the algorithm.  So you can...

Basic Black is a simple, incredibly efficient screen saver. It doesn't have whizbang graphics, and thus lets everything blast along at full speed. It's incredibly small - it takes up only four kilobytes of memory after it's loaded. If...

Blizzard is a screensaver module for AfterDark.  It displays a particles cloud with some kind of wind simulation.  Blizzard lets you customize the color of the particles, their velocity, blast speed, grids, rotation, etc...  

The Knight Sabers, a team of four young women fighting vicious robots known as "Boomers" in near-future Megatokyo, are the stars of the 1987 OVA (Original Video Animation) "Bubblegum Crisis". This screensaver collection...

Buzzz! is an AfterDark module that simulates of a selection of animals flocking. Buzzz! features moths, wasps, flies, golfish, birds, perch & ants.  Buzzz! uses quite an extensive swarm displacement algorithm that you can almost fully tweak...