||Availability overview and guest database for PHP and MySQL database. Integrate a graphical availability overview of your rooms in your website. Manage your guests online with a database. You can change the design of the availability overview easiliy so that you have the same design as your website. The availability overview is shows in the languages German, English, French and Estnia. You can use a simple webinterface to manage your availability overview and your guests, you need no special knowledge. A search function gives your guests a practical possibility to search for free rooms. You can install Rezervi on a webserver or rent Rezervi.