The European Lisp Symposium will be streamed on twitch
More details here:
https://www.european-lisp-symposium.org/2020/index.html
Since it is free, and you do not have to log in to view the event, there might also be non-Lispers interested in a few of the subjects listed in the itinerary. Obviously it is Lisp-specific, but some of the subjects are a little more universal.