Community event ticketing: paid ticket types, capacity, QR check-in (Einlass) and German receipts/invoices
Issue and redeem German vouchers and store credit with §3 (13,14) UStG single/multi-purpose VAT handling
Classroom course management with bookings, attendance and automatic German Teilnahmebescheinigungen (certificates of attendance)
Community appointment booking: resources, rooms and staff with availability, slot generation and German reminder texts