Musician's Swiss knife contains a metronome, a note generator and a beat/BPM counter:
Soft Touch Stopwatch (right, above) has both digital and analog stopwatches, with memories and split times.
Karao60 is a .KAR (Karaoke) player, complete with the amusing (and apposite) instruction "Do not use if you're tuneless"!!
ScratchMMS is an MMS-enabled graphical sketchpad:
Each of these is characterised by a non-standard interface, and by start and ending adverts screens, but hey, they're free.
Steve Litchfield