Fidelio is premier property management software. The OPERA Property Management System (PMS) d esigned to meet the varied requirements of any size hotel or hotel chain, OPERA PMS provides all the tools a hotel staff needs for doing their day-to-day jobs – handling reservations, checking guests in and out, accommodating the needs of in-house guests, assigning rooms and managing room inventory, and handling accounting and billing. The property management software is configurable to each property’s specific requirements and operates in single-property or multi-property mode as well, with all properties in an sharing a single database.