browser based video calls - SERP Analysis

https://jitsi.org/

https://sylaps.com/

https://meet.google.com/

https://www.reddit.com/r/AskTechnology/comments/1b93byl/any_good_video_conferencing_options_that_do_not/

https://live.zoom.us/

https://whereby.com/

https://videolink2me.com/

https://resources.owllabs.com/blog/video-conferencing-tools

https://www.3cx.com/video-conferencing/

https://workspace.google.com/products/meet/