Rob Papen Vecto, Virtual Synthesiser (Download), Allows you to draw vectors to manipulate the sound in a variety of ways, Flexible sound generation with 4 oscillators and a large selection of waveforms, 2 Filters with 28 filter types, Numerous modulation options with free envelopes, LFOs and a modulation matrix, 16-Step arpeggiator, 2 Effects processors, Preset browser with category search, Over 1900 presets