web-based property management system for hotels or B&Bs

 HotelDruid is designed to make hotel rooms, bed and breakfast apartments,
 or any other kind of daily rental easy to manage from a web browser.
 .
 Main features:
  * automatic assignment of reservations to rooms by user-defined rules;
  * creation of public web pages displaying room availability, etc.;
  * saving, printing, and emailing of documents and invoices;
  * electronic point of sale;
  * management of groups and privileges for multi-user operation;
  * generation of statistical reports.
 .
 It uses an SQLite database by default but can be configured for use
 with MySQL or PostgreSQL.