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.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Olvid - The most secure messaging app in the world.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
WireMin - WireMin is a private messaging tool for your most personal communications.