Leave very tiny notes on your desktop or in folders.
Trigger samples and loops from your computer keyboard! BackToBasics is the award winning software that allows audio samples to be assigned to keys on the computer keyboard so that the computer can be played as a musical instrument.
The Wizard Master Control Program is a very odd experimental loop-based MIDI sequencer and drum machine. It lets you trigger external MIDI devices or your computer's awesomely simplex internal MIDI instruments with 128 separate beat configurations (8
Abominaclavia is a bizarre drum machine-like sequencer that lets you assign digital samples (.wav files) to 128 separate beats (8 loops of 16 beats each) each with its own controls for pitch, volume, and stereo panning.