Purchase your domain and hosting with WebEngin (www.webengin.com.au) and we will provide a base install of WebCalendar for free.
Contact for details.
WebCalendar is a PHP-based calendar application that can be configured as a single-user calendar, a multi-user calendar for groups of users, or as an event calendar viewable by visitors. MySQL, PostgreSQL, Oracle, DB2, Interbase, MS SQL Server, or ODBC is required.