Cryofrog Scientific
LabToad Timers and Calculators
FreeGet a set of timers and lab calculators all in one package.
WindowsLabToad Timers
FreeSetup alarms, stopwatches, and count down timers.
WindowsPet Amoeba - Virtual Friends
FreeRaise your own digital pet amoebas, starting from baby tadpoles up to full-size adults.
Android