Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

Survox - Survox offers phone survey software solutions for fully automated (IVR) and computer assisted interviewing (CATI).

TextMe - TextMe is a free calls and messaging application at both local and international levels.

Uniphore - Uniphore is a conversational automation technology company. Uniphore sells software for conversational analytics, conversational assistants and conversational security.

Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.

PEC Insight IVR - PEC provides the Insight Interactive Voice Response (IVR) technology that automates interaction with telephone callers