In these times of lock-down many conference and “webinar” solutions have blossomed. Some are based on free-as-in-freedom software, most are using widespread standard such as WebRTC.
A small number of them are either proprietary software or use non-standard implementation of standard.
Using Debian, Ubuntu and Fedora workstations I’ve been able to work with almost all of them.
Today I wanted to follow a webinar organized by the italian branch of BASF on fiber-reinforced concrete pavings. It uses gotowebinar.com. I put it simply: