Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
ProTexting - ProTexting offers mobile marketing tools for businesses to communicate with their audience via SMS & MMS campaigns.
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.
Clickatell - Simple, reliable mobile messaging cloud.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
ShoutOUT - All in one business texting tool to send personalized alerts, promotions, reminders, short links and marketing campaigns, for any SMEs (hotels, restaurants, education, non profits, Woocommerce, banks, healthcare, agencies, supermarkets, weddings)