Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.
Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!
MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API
Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
QuickBooksPOS - QuickBooksPOS offer POS system software for small businesses.