From Kanex Group:
QuickPopup (Linux) is cross-platform, ready to run on all flavors of Windows, Mac OS/Mac OS X and Linux. Quite simply, it is the complete solution for all your messaging needs. And, to meet your exact requirements, we have created business-specific pages where you can see how QuickPopup solved the communication problems of people just like you. Just click the one above that is right for you and go right there.