Noto - Email yourself. Fast.
Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
fwrdto.me - Send web pages to your email inbox in just one click
Pluot Communications - Big-screen video conferencing for startups
Captio - Captio enables companies and their employees an improved control of their expenses and the discovery of new savings opportunities.
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.