A multi-user, multi-operator, multi-department live Help support chat system that allows the operators of the websites to monitor their visitors as they are browsing the site and proactively open a chat session with the visitor. Is in PHP and uses a Mysql based database . Other features include AUTO INVITE!, referer tracking, page tracking, chat notification, user is typing message, multiple chat sessions, sound alert, leave a message if offline, push urls, quick responses, and multiple operators.

Help Center Live is a very powerful all-in-one help center including Live Help, Support Tickets and FAQ. Features include unlimited operators/departments, monitor visitors, initiate chat, collect visitor's information, track visitor's footprint, autosave chat transcripts, canned messages, leave a message, auto-assign tickets to operators, unlimited FAQ topics.

osTicket is a Support Tickets system featuring email piping, pop3 login, unlimited email addresses, admin/staff/user panels, avoid autoresponder loops, limit maximun tickets user can have opened, accept attachments and limit size, pager alerts for admin.

PerlDesk is a browser based help desk software and email management solution designed to streamline the operation of managing emails, support tickets and customer communications, with built in tracking and response logging it is an ideal help desk solution for companies with one or more members of staff or for those who want to organise client communications. For full functionality of PerlDesk, a seperate license must be purchased from publisher

PHP Support Tickets is a simple, one-admin Support Tickets system featuring self-registering, emailing to admin, attachments.

Support Logic Helpdesk is a Support Tickets system featuring multiple email addresses, admin/staff/user panels, canned responses, HTML tags support, email limit on a per user/day basis, attachments.

Support Services Manager is another Support Tickets system.