Jitsi Meet - Join a WebRTC video conference powered by the Jitsi Videobridge
join.me - Instant screen sharing. Instant Aha!
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
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.
GoToMeeting - GoToMeeting is a web conferencing service offering a range of services which are available on Mac, PC, iOS and Android devices.