Eventzilla

Eventzilla is an event management platform for in-person, virtual and hybrid events. Organizers can build event registration pages, offer tickets and work with attendee information, agendas and event communications through the service.

Its website describes tools for registration, event websites, check-in and attendee engagement. People attending an event should follow the instructions issued by that event's organizer; the attendee application and organizer tools have different roles and access requirements.