zeroqode - Build your app up to 10x faster with no-code app templates
LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.
FastWts - Fast WhatsApp chat without saving contact
WhatsMany - Send personalised WhatsApp messages in bulk
Number To Whatsapp - A utility tool which lets your start a Whatsapp conversation without saving the contact of the said person first.
Promote Route - A Better WhatsApp™ Experience