Open Event Server and Frontend
-
Seeing the post about Pretix (thanks @marcusquinn - it was you adding it to your sponsored apps post that drew it to my attention) reminded me to post about this (which I discovered because Nextcloud used it to sell tickets to their conference):
https://github.com/fossasia/open-event-server
https://github.com/fossasia/open-event-frontend/See also:
https://eventyay.com/ (the hosted service)
https://support.eventyay.com/
https://api.eventyay.com/ -
See also Attendize.