TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
SmartFocus - SmartFocus empowers you to deliver omnichannel marketing campaigns with true personalization.
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
AdCurve - AdCurve is an online campaign management platform for retailers.
Burner - Disposable phone numbers -- now with MMS photo support
AdHawk - AdHawk aggregates a company's total digital marketing data, and offers advertisers one-click optimization solutions.