ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
Helio - Design successful products by revealing key user behaviors
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::
ArtBeats - A simple musical sequencer built to have no barrier to entry
cassini - Polyphonic Synthesizer for iPhone/iPod touch
Soundbow - Create music by drawing curves over the screen.