LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
Things - Things is an easy to use task manager.
TextBlast Bulk SMS - Send personalized mass messages easily
Motion Firefox - All-in-one time management tool in Firefox
Texted.io - Send text blasts to groups, receive individual replies
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.