Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Textnow.com - It lets you text your friends, aka my only source of happiness
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
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.
Facebook Messenger - Facebook Messenger is a faster way to message.
FluffyChat - Open. Nonprofit. Cute ?