What best describes your situation?
Everyone wants in at the same time. The system has to handle it.
Click-day, registration day, course start. Hundreds click at once.
Participants register for courses or training
Schools, academies, associations. With waiting lists, limits, maybe recurring dates.
Guests book rooms or holiday apartments
With availability, calendar and confirmation.
Visitors buy event tickets
Concerts, lectures, workshops. With limited seats.
Something else
No problem.