Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API

Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.

projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.

LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.

Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.