Pocket City is a clone of Sim City for PalmOS devices.
PSpringies is a spring and mass simulation, though you may wish to
forget the physics and just play with it like a toy. You can easily
build a world of nodes connected by springs, then watch what happens
when you give a pull here and a nudge there.
An application that provides secure email, encrypted email, secure chat and collaboration, and HIPAA compliance.
A time tracking tool.