Online clients/meetings mangement application

An online application for managing clients/meetings based on free domain-PHP+MySql or any other free combination,with the following possibilites: adding new clients choosing a client from select list based on the whole DB editing/removing scheduling meetings with the clients meetings calendar/list for ongoing scheduling The interface should be in Hebrew and the clients DB should accept values in hebrew-I will provide the list of fields in English with the corresponding Hebrew values to appear in the interface.