Until AM - DJ in your browser with this SoundCloud music mixer
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
Youtube-DJ - Mix YouTube songs together
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::
ODJO - DJ music mixer. play, mix, record & share
cassini - Polyphonic Synthesizer for iPhone/iPod touch