Tick-It

A flexible and easy-to-use helpdesk system written in PHP featuring tickets, knowledgebase and downloads. 100% XHTML 1.0 STRICT/CSS2 compliant output, supports MySQL and SQLite databases, PHP4/PHP5 compatibility (safe mode, error_reporting(8), register_globals=off). Other features: Skinnable interface & variety of skins to choose from, powerful registration system, UTF-8 based multilanguage support, converting emails into tickets from a POP3/IMAP account, access to tickets from a WAP device [any WAP phone], RSS/Atom feeds for your tickets and each single ticket, built-in IP-to-Country recognition, activity log with filtering by user/IP etc. Live demo is available.