WhatsMany - Send personalised WhatsApp messages in bulk
rivalry - Your competitors websites are full of data that reveals useful information about them. Rivaly helps you collect this data and analyze it so you always can be one step ahead
LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
Belkins Data Enrich - Find email addresses in seconds
Porterhouse - Send mass iMessage and SMS texts from your existing number with a single click!
Fonoster - A marketplace where local telecom companies can publish numbers, developers can build voice, video, and chat solutions.