Various online meetups in a handy Nextcloud calendar.
If you’re interested in plugging this calendar into your own caldav client (Thunderbird, Android calendar, etc.), this link should do the trick: https://nextcloud.bclug.ca/apps/calendar/p/FstPYnjs8ndwoN6Z
Alternately, there is the option of downloading the calendar as an ICS file: https://nextcloud.bclug.ca/remote.php/dav/public-calendars/FstPYnjs8ndwoN6Z?export
There’s also a more-comprehensive list put together by Rick Moen at the (San Francisco) Bay Area LUG. Thanks, Rick!
https://www.wiki.balug.org/wiki/doku.php?id=balug:covid-19