TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
Postscript - Like Mailchimp for SMS
join.me - Instant screen sharing. Instant Aha!
IG MASS DMS - Seamlessly reach any target audience by using our mass dm software.