TextBlast Bulk SMS - Send personalized mass messages easily
Navigator - The Teamwork assistant — run great meetings without busywork
WhatsMany - Send personalised WhatsApp messages in bulk
Sprout - When HP’s Sprout Pro was introduced in 2014, everyone saw the possibilities.
LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
Tatsu - Standup meetings for remote teams.