TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Talon.One - Talon.One is the world's most flexible Promotion Engine.
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
Uniqodo - Uniqodo is cloud-based software for a coupon, voucher or discount code marketing campaigns.