OwnerRez is a robust Property Management System (PMS) designed for vacation rental owners and property managers. It provides an all-in-one platform that handles various operational tasks such as booking management, guest communication, invoicing, and reporting. It has an extensive range of integrations with popular Online Travel Agencies (OTAs) like Airbnb, Booking.com, Vrbo, and others, enabling easy synchronization of bookings and calendars across multiple platforms.

MongoDB is an open source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License (SSPL) which is deemed non-free by several distributions.