Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.
WaiverForever - Electronic waiver system for small businesses
MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API
Waiver Electronic - Waiver Electronic is one of the legit and secure platforms to manage online liability waivers accelerating the productivity of your business by making the quick, paperless and secure waiver signup process.
projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
WaiverSign - Cloud-based waiver and release of liability signing software