LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
Flare by GoDaddy - Discover, give feedback and support startup ideas
SuperDMs - SuperDMs helps you grow your following by sending bulk DMs to your tweet responders.
Wittycircle - Networking tool for entrepreneurs, makers and curious minds.
WhatsMany - Send personalised WhatsApp messages in bulk
Little Inventors - Turn children's ideas into reality