From Marcheka Software:
Rap-X is a Web based customer support application. It features Helpdesk, Forum, and FAQ views. Written in Java, it can be installed on any operating system, and supports multiple databases. An automated installer is provided for Windows. Rap-X features strong e-mail integration. Notification e-mails are sent in response to user actions, and new Issues or Issue comments can be posted by e-mail. Template based, customizable user interface.