prizm is a simple tool to colorize xterm sessions, either randomly or from a config file; a useful visual cue for when there are many xterms open at once.
Panelizer is a memory efficient desktop panel that works by holding all applets within the panel process itself; memory usage is currently around 1MB with 10 applets loaded.
GraphThing is an open source project that creates, manipulates, and studies graphs as mathematical objects, that describes the relationships between sets.
DMAK (Diet Monger Ass Kicker) is a project which individually designs diet plans to any number of specifications; sorts and filters foods and sorts nutrients.
GAMGI (General Atomistic Modelling Graphic Interface) is a program to build, view, and analyze atomic structures such as molecules, crystals, glasses, liquids, etc.