Text Blaster - Send thousands of text messages with one tap on Android
TextBlast Bulk SMS - Send personalized mass messages easily
Rocket for WhatsApp - WhatsApp marketing chrome extension
Porterhouse - Send mass iMessage and SMS texts from your existing number with a single click!
LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
Lyrics Training - A game where you fill in the lyrics of your favorite songs