mg.applanix is a multi-featured, configurable, Web- and MySQL-based application for management of small and medium-sized accommodation establishments, such as hotels, campsites, hostels, and motels. mg.applanix features an occupancy table for all managed rental objects, a detailed customer information and booking file, a tiny organizer, and customizable printing of bills, address labels, etc. It also provides user-based session management. Users are members of predefined groups which provide a simple access restriction mechanism. Localizations for several languages are available.