Zoom has great meeting features. For a large gathering a Zoom Webinar might fit better. Information on how to request a license.
Steps to help secure a Zoom meeting (includes some Meeting-specific settings, and some setup recommendations).
Using CART captioning in Zoom conferences
Zoom cloud stored video is deleted after 180 days. How to save for longer.
This article covers how to prevent participants leaving the breakout room that they are assigned to.
A fix for a Zoom meeting scheduled for a length of over 40 minutes ends at the 40 minute mark.