Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
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.
Snagit - Screen Capture Software for Windows and Mac
Got A Minute? - Messaging app that limits conversations to 1 minute
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.