Telos - Now by using the United States based phone numbers, one can make unlimited calls and can send unlimited messages to any landline and mobile number.
TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Nex - A mobile development agency with a focus on crafting beautiful mobile apps with passionate mobile developers.
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.
EOS - EOS.IO is a blockchain protocol powered by the native cryptocurrency EOS.
TextMe - TextMe is a free calls and messaging application at both local and international levels.