Mitel - Business Communications and Collaboration
TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Nertivia - Chat Client - Chat with friends or anyone around the world, free gif and emoji support.
Burner - Disposable phone numbers -- now with MMS photo support