Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
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.
Butter - Butter is a newly launched chatting application that focuses more on the privacy of its users.
Got A Minute? - Messaging app that limits conversations to 1 minute
Habit List - Create good habits and break bad ones with the app that keeps you focused.