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.
Octopush - Octopush is a company providing technology-based communication solutions, including SMS, Web solutions, and Email APIs.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Clearstream - Clearstream is a SMS marketing and online texting software.
Cotap - Cotap is a simple, secure mobile messaging app for fast, easy workplace communication.
Swift SMS Gateway - SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging.