Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.
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.
JACK Audio Connection Kit - JACK Audio Connection Kit|Home
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Loopback by RogueAmoeba - Get all the power of a high-end studio mixing board, right inside your Mac!
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.