HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
Issuetrak - Issue tracking software for help desk and customer service
Support Hero - Educate your customers through self-help support
Deskun - Deskun is a Help Desk system inside Gmail. It enables you to support customers directly from your mailbox, manage projects, and use free features for Gmail.
Apervita - Apervita is a self-service platform that allows health enterprises and professionals to author evidence-based insight and connect it to practice, anywhere.
Kapdesk - Kapdesk offers support teams with a helpdesk software to streamline support tasks.