Here is a package of small filters and other utilities for Unix-like systems, that I've found more-or-less useful.
DashPhoon is a Mac OS X Dashboard widget that displays the phase of the moon.
The OS formerly known as UNIX™ (Warning: graphics)
Plasticine BSD daemon (Warning: graphics)
Intel® Array Building Blocks – a flexible parallel programming model for multicore and many-core architectures.
Self-indulgent picture(s) of me. Can't have a home page without.