We lieve times of pandemic and it is usual we be part of many online meetings.
To manage this type of meeting, I created a simple web application: Divergents. It basically brings together two features: speech timer and subscription manager.
The idea is that someone who is going to secretary the meeting will open the page in the browser and share the screen with other participants. Whoever signs up, whether by chat, hand-raising or whatever, the secretary adds the name in Divergents. All participants can see how much speech is left for the current speaker and who is next.