Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Burner - Disposable phone numbers -- now with MMS photo support
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.
quackr - Protect your privacy & identity with quackr. Use our free temporary phone numbers to receive SMS online now.
TextMe - TextMe is a free calls and messaging application at both local and international levels.