Crafty Syntax

Crafty Syntax Live Help is a multi-user, multi-operator, multi-department live help support chat system that allows operators of a website to monitor their visitors as they are browsing the site and proactively open chat sessions with their visitors. Some of the features include: sound alert, auto-invite, chat notification, referrer tracking, page tracking, user is typing message, multiple chat sessions, leave a message if offline, push URLs, quick responses, and multiple operators.

ExpPHPDesk

ExoPHPDesk is a free PHP helpdesk software application that includes an Admin Area, Staff Area, and Member Area. ExoPHPDesk is perfect for internet companies that need to communicate with their customers online.

Help Center Live

Help Center Live is a fully-featured online support system that includes FAQ management, live chat, and a trouble ticket system.

HelpDEZk

HelpDEZk is an open source PHP-based customer support application with an MVC architecture, and if offers a customisable workflow, an automatic notification system, an integrated knowledgebase, time tracking, cost control, and more.

HESK

Hesk is a MySQL and PHP-based help desk software application that allows users to create a web-based ticket support system. Hesk enables customers to submit support tickets, and allows staff members to manage customer support requests via a simple web interface.

iQDesk

iQDesk is a unique software application specifically designed for freelancers and small businesses. iQDesk is designed with just the main modules that freelancer and small businesses need to operate successfully.

Maian Support

Maian Support is a PHP/MySQL open source script for customer support tickets, and it offers email templates, support for multiple departments and access levels, BBCode support, searchable FAQs with an Ajax voting system, a dispute system, and more.

Open Web Messenger

Open Web Messenger is a PHP and MySQL-based live support software application that enables one-on-one chat assistance in real-time directly from your website. Just place the Web Messenger button on your site, and your site's visitors will click the button and ask your operators for support.

osTicket

osTicket is a widely-used support ticket system that seamlessly integrates inquiries created via email and web-based forms into a simple and easy to use multi-user web interface. osTicket makes it easy to manage, organize and archive support requests and responses in a single location while providing clients with accountability and responsiveness.

phpMyFAQ

phpMyFAQ is a powerful and multilingual PHP-based Frequently Asked Questions (FAQ) system. phpMyFAQ also offers a Content ManagementSystem (CMS), user-tracking, flexible multi-user support, a news system, templates, language modules, extensive XML support, PDF support, and a backup-system.

phpOnline

phpOnline is a PHP, MySQL, and Flash-based live customer support system.

phpSupport

phpSupport is a PHP-based customer-friendly trouble ticket system.

Support Incident Tracker

Support Incident Tracker, a PHP/MySQL customer support ticket script, comes with holiday/vacation management, user profiles, multiple themes, reporting, customisable email templates, LDAP integration, a knowledge base, configurable SLAs, multiple priority levels, support for 13 languages, and more.

Vision Helpdesk

Vision Helpdesk is an open source customer support script, and it allows users to manage support requests submitted via phone, email, web forms, Twitter, and Facebook. This scripts also includes ticket billing for premium support, workflow, escalation, and SLA automation, an online issue tracker, custom reports, a private social hub for staff, and more.