Platform as a service featuring computer software platform which allows event organizers to manage and analyze in-person, virtual, hybrid and on-demand events, as well as allowing attendees at in-person, virtual, and hybrid events to create and modify appointments, schedules and agendas, check-in and provide feedback, and allowing vendors at in-person, virtual, and hybrid events to manage sponsorships, exhibitor listings, leads and schedules and obtain event information; providing temporary use of non-downloadable software that allows event organizers to manage and analyze in-person, virtual, hybrid and on-demand events, as well as allowing attendees at in-person, virtual, and hybrid events to create and modify appointments, schedules and agendas, check-in and provide feedback, and allowing vendors at in-person, virtual, and hybrid events to manage sponsorships, exhibitor listings, leads and schedules and obtain event information