I would feel weird getting a ticket for my friend's birthday party or backyward BBQ, but this does seem to be a decent suggestion for more public events. This l

I would feel weird getting a ticket for my friend's birthday party or backyward BBQ, but this does seem to be a decent suggestion for more public events. This looks like a decent FOSS alternative, though I haven't tried it https://www.attendize.com/ https://www.attendize.com/