Dingtone - Dingtone is a free call and texting application for making unlimited calls and text messages to any number at the moment registered in any part of the world by any cellular company.
Survox - Survox offers phone survey software solutions for fully automated (IVR) and computer assisted interviewing (CATI).
Textnow.com - It lets you text your friends, aka my only source of happiness
Custom IVR - Custom IVR development solution offers a notable reduction in overall cost of customer support without making compromise on the proficiency of customer relationship management.
FluffyChat - Open. Nonprofit. Cute ?
CT Developer Studio - IVR software for quickly implementing an IVR system into your business.