Yac - Take your time back from Zoom & Slack
DogeHouse - Open-source audio chat on the web.
Slack - A messaging app for teams who see through the Earth!
Cozyroom.xyz - A group chat with simple avatars and geo location
LinkedIn Voice Messaging - Communicate when you want, how you want
Walkie - Walkie is an online communication providing software that allows you to remain in touch with the other persons.