WhatsMany - Send personalised WhatsApp messages in bulk
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)
Rocket for WhatsApp - WhatsApp marketing chrome extension
Trumpia - SMS Marketing and Marketing Automation software for Mass SMS, internal communications & emergency alerts. #1 Text Messaging Service used by Fortune 500s.
Text Blaster - Send thousands of text messages with one tap on Android
Clickatell - Simple, reliable mobile messaging cloud.