Company Arthur Kerns created these great apps:
midiLFOs - midi modulator, midiSTEPs, midiFILTr-VS for Volca Sample, midiFILTr-VF for Volca FM, midiGATEs - midi probability, midiFILTr-VB for Volca Bass, midiFILTr-VT for Volca Beats, midiDREAMs, and others..
