Vision Helpdesk - Vision Helpdesk is a Web-Based True Satellite Helpdesk Software that allows you to manage support for Multiple Companies at one place.
osTicket - osTicket is a widely-used open source support ticket system
HESK - Hesk is Free PHP Help Desk Software that runs with a MySQL database
Mibew Messenger - Mibew Messenger is an open-source live support application written in PHP and MySQL
Help Center Live - Help Center Live is a Live Support tool written in PHP
phpOnline - phpOnline is a live customer support system
Live helper chat - Live helper chat is Free & Flexible & Open source - Live Support chat for your website.
Sales Syntax - Sales Syntax Live Help (CSLH) is an open source live support solution
Trellis Desk - Trellis Desk is a powerful and robust help desk solution for your business.
phpMyFAQ - phpMyFAQ is an open source FAQ system using PHP
ExoPHPDesk - ExoPHPDesk is a free php helpdesk software
Maian Support - Maian Support is a FREE support ticket system written in PHP/MySQL.
HelpDeskZ - HelpDeskZ is a free PHP based software which allows you to manage your site's support with a web-based support ticket system.
HelpDEZk - HelpDEZk is a powerfull software that manages requests/incidents.
Support Incident Tracker - Support Incident Tracker (or SiT!) is a Free Software/Open Source (GPL) web based application which uses PHP and MySQL for tracking technical support calls/emails.
Faveo Helpdesk - Faveo Helpdesk is an open source ticketing system build on Laravel framework.
OpenSupports - Simple Open Source Ticket System.
Handesk - Easy & Powerful Ticketing and Lead management.
