Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
Pluot Communications - Big-screen video conferencing for startups
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
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.
InStream CRM - Business relationship management platform - CRM alternative