kezakez

Support Tickets is a WordPress plugin which allows you to create and manage a simple support ticket system or helpdesk system on your WordPress site. If you are offering a support service and are looking for a simple tool to help you with that, Support Tickets is an excellent choice.
This code has been forked with the permission of the original author Takayuki Miyoshi @takayukister 
This fork contains bug fixes. 
The original code can be found at https://wordpress.org/extend/plugins/support-tickets/
The plugin is based on <a href="http://contactform7.com/" rel="nofollow ugc">Contact Form 7</a> plugin.
<a href="http://www.keza.net/support-tickets-v2/" rel="nofollow ugc">Home page</a>
<h4>Multilingual Support</h4>
You will have the ability to make a “multilingual support ticket system” with this plugin. This plugin allows you to write messages in your language and ask a professional translator to translate your message to another user’s language. This feature utilize the <a href="http://wpml.org/" rel="nofollow ugc">WPML</a> plugin, so you need to install the plugin beforehand.
<h4>Translators</h4>
<ul>
<li>Italian (it_IT) – <a href="http://gidibao.net/" rel="nofollow ugc">Gianni Diurno</a></li>
<li>Japanese (ja) – <a href="http://ideasilo.wordpress.com" rel="nofollow ugc">Takayuki Miyoshi</a></li>
</ul>

Support Tickets v2

With this plugin, you can manage a simple support ticket system on your WordPress site.

CodeBard

Provide professional support to users in your own language with CodeBard Help Desk. 
<a href="http://help-desk-demo.codebard.com" rel="nofollow ugc">Check out the Live Demo here</a>
Its professional features include:
<ul>
<li>Unlimited Users</li>
<li>Unlimited Agents</li>
<li>Unlimited Tickets</li>
<li>Unlimited Departments</li>
<li>Multi Language</li>
<li>Easy Language translation from WP admin</li>
<li>English, Spanish (Intl.), Indian (Hindu) languages included</li>
<li>Front End Tickets</li>
<li>Front End Interface for Users</li>
<li>Front End Interface for Support Admins and Agents</li>
<li>Easy to Use</li>
<li>Private Tickets</li>
<li>Email Notifications</li>
<li>Ticket and Reply Attachments</li>
<li>Support Admins, Support Agents with separate permissions</li>
<li>Easy ticket management</li>
<li>Responsive</li>
<li>Extensible</li>
<li>Compatible with all Themes and Plugins</li>
<li>Adapts to visuals of any Theme</li>
<li>Hooks and Filters</li>
</ul>
In the <a href="http://help-desk-demo.codebard.com/" rel="nofollow ugc">Live Demo</a>, try changing the theme from Theme Switcher widget on the right column to see how CodeBard Help Desk adapts to different themes!
Use Language admin to easily translate your plugin into your own language or change your own language’s translation. New language packs will be upcoming! If you would like to contribute a translation for your own language, <a href="https://codebard.com/cb_p3_en-US.zip" rel="nofollow ugc">download this sample language file</a> to translate and then contact us from our <a href="https://codebard.com/contact" rel="nofollow ugc">contact page</a> to get credited.
Quickstart Guide is <a href="https://codebard.com/codebard-help-desk-for-wordpress-quickstart-guide" rel="nofollow ugc">here</a> and detailed manual is <a href="https://codebard.com/codebard-help-desk-for-wordpress-manual" rel="nofollow ugc">here</a>. All settings in your Plugin admin has detailed and easy to understand descriptions.

Free support is available through Plugin forum, and Premium support is available through <a href="https://codebard.com/support" rel="nofollow ugc">CodeBard site</a>.
If you have a WooCommerce store, get the <a href="https://codebard.com/codebard-help-desk-woocommerce-integration" rel="nofollow ugc">WooCommerce Integration Addon</a> to power up your Help Desk and provide professional support to your store’s customers easily:
Remember to follow us on Twitter (@codebardcom) or join our Newsletter by your Quickstart Wizard to hear about new features, announcements and goodies!

CodeBard Help Desk

This plugin was developed for in-house use, then matured to a plugin for release to public. We are using this in a few sites to render support to our users. Its easy to use and extensible. Multiple languages proved to be a great addition. 

Evolved to a great plugin

Multi Language Professional Support Ticket System with Unlimited Users, Unlimited Tickets, Unlimited Departments, Agents and many features

Support Tickets v2 vs CodeBard Help Desk