Opera PMS from Oracle is the world leading property management system, capable of managing hotels, resorts, and casinos of all shapes and sizes. Combined with Book4Time, your guests are able to post spa charges to their guest folios, and receive a single itinerary consisting of all their activities over the duration of their stay. In addition, Book4Time supports revenue posting with up to 64 itemizers to give your finance teams a single source of truth for all revenue on your property.