Momentum - Agile goal and performance management
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Rocket for WhatsApp - WhatsApp marketing chrome extension
BetterChat for WhatsApp - Gorgeous new full-featured WhatsApp client for the Mac.
Albacross Workflows - Smooth automation for B2B Lead Generation
Number To Whatsapp - A utility tool which lets your start a Whatsapp conversation without saving the contact of the said person first.