Browser Based

AI-Reply.Com
Offer help desk, referral tracking and customer support systems.
http://www.ai-reply.com

AskIt Systems
Offers an outsourced, Web-based customer service system that learns from the customer's questions.
http://www.askit.com

AthenaRMS
Features include request management, trouble ticket management, Web-form and email handling, and multi-database support.
http://athenarms.com

Avensoft
Web-based multi-functional help desk software.
http://www.avensoft.com/

Bankoi HelpDesk Software
A fully featured browser based helpdesk/email management application designed to streamline the operation of managing emails or support requests.
http://www.helpdesk-software.ws

Big Web Desk
Completely Web-based help desk, ticketing service, and request management software.
http://www.bigwebdesk.com

Business Resources Online
Background, and information about help desk software.
http://www.business-resources.net/help-desk-software/

CDN Systems
Web-based help desk software with Microsoft Access and MS SQL integration.
http://www.cdnsystems.com

Cerberus Helpdesk
Browser-based email management and trouble ticket system.
http://www.cerberusweb.com/

CRMdesk
Automates online customer support and knowledge base creation through the Internet.
http://www.crmdesk.com

Cynergy
Software for web based active/ trouble ticket tracking, service desk contact manager system, application server and customer service software hosting.
http://www.cynergysoftware.com/

DeskPRO.com
An integrated script to manage customer sales and support. Uses a MySQL database-backend and has flexible implementation.
http://www.deskpro.com/

e11
Provides online customer support solutions with email support, asset management, and trouble ticket.
http://www.e11online.com/

E-Business Application Suite
Use open source technology and provide online business applications, which include: Customer Support, Help Desk, Project Management, Sales Automation, CRM Marketing Automation, Invoice/Billing.
http://www.ebsuite.com

Eden Corporation
Features general help desk, project management, asset management, issue tracking, sales management, and IT project and resource management.
http://www.eden.com

Expinion.Net
Includes ASP source code, free FTP install, manuals, support, and future upgrades. Uses MS SQL or Access.
http://www.expinion.net/software/app_helpdesk.asp

Ezyhelpdesk
A fully featured online help desk system comprising descrete sections for the clients, staff and administrator.
http://www.ezyhelpdesk.com

Ferrysoft Limited
Features automatic user alerts, optional case submission by e-mail and web services integration. Free for the single user, standard edition.
http://www.ferrysoft.com/

FootPrints Web-based Help Desk
FootPrints Helpdesk provides web-based problem resolution software that includes call center management, knowledge bases, support task automation, and self-help options.
http://www.unipress.com/footprints/

Freedom Communications
Supports capturing, tracking, and graphical reporting. Also provides brandable customer portals for automated request entry and self-help.
http://inet-help-desk.com/

GroupSoft Systems
Browser based help desk application including call tracking, asset tracking, knowledge base, project management and full support for Notes.
http://www.groupsoft.com

Help Desk Assistant
A web-based application that allows to track support issues via a Microsoft web server.
http://www.electracode.com/hda/hda.html

HelpDesk Connect
Features include problem tracking, auto escalation, FAQ builder and embedded customer database.
http://www.helpdeskconnect.com

HelpDesk Pro
Features CGI source code, auto SMS messaging alerts, multi-platform compatibility, database management, automated call queue.
http://www.helpdeskpro.net

HelpDesk System
Help desk specifically for recording and monitoring requests for repairs or other works at properties.
http://www.helpdesksystem.co.uk/

HelpLine Incident Management
A customizable help desk for support personnel and customers (both internal and external). Includes SLA management and bespoke notification.
http://www.badgernt.co.uk/helpline.shtml

HelpSTAR Software
Provides a flexible workflow, an interactive web interface, auto-email notification, and additional support for medium to large helpdesk environments.
http://www.helpstar.com

Hostedware
Affordable web-based help desk application and database.
http://www.hostedhelpdesk.com

Incident Monitor
Advanced helpdesk software which integrates conventional phone service with a fully enabled web service with wireless support, skills based routed environment, inbound email routing and service level management.
http://www.monitor24-7.com/

Infra Corporation
Help desk and change management (web-enabled) software used by government and corporations around the world.
http://www.infra.com.au

iQHelpDesk
A browser based help desk and asset management set, with optional customization offered.
http://www.iquate.com

IssueTrack
Help desk and issue tracking software with knowledge base, email notification and escalation functionality.
http://www.issuetrak.com

Kayako Web Solutions
Browser-based help desk software with large spectrum of features, including support ticketing, knowledge base, and trouble-shooter.
http://www.kayako.com/

KnT Solutions, Inc.
Developers of e-zHelpDesk, which offers customer management, case escalation, bug tracking and knowledgebase functionality.
http://www.kntsolutions.com

Liberum Help Desk
Free, web based help desk software written in ASP. Offers email notification and reporting features.
http://www.liberum.org

LiveTime Software
Provides real-time management reporting and problem resolution.
http://livetime.com

Modern Thinking Inc
Offer an application for tracking and managing both customer support issues and internal work items.
http://www.modernthinking.com

osTicket Open Source Project
A simple and lightweight support ticket program designed to be easy to install and setup. It is also completely free.
http://www.osticket.com

OTRS
An Open source Ticket Request System with various features to manage customer telephone calls and e-mails.
http://otrs.org/

Parature
Provides Web-based software for online customer service, help desk and customer relationship management.
http://www.parature.com

PerlDesk
Perl Web-based help desk and knowledge base solutions for small and mid-sized Web sites.
http://www.perldesk.com

The PHP Support Desk
Features include PHP/MySQL architecture, trouble ticket management, FAQ base, and multiple support operators.
http://www.phpsupportdesk.com

ReadyDesk
Features include ASP scripting, ticketing system, automated email alerts, ticket history, auto-population of data, and online knowledge base.
http://www.readydesk.com/

Revelation Help Desk
Web based helpdesk software features call logging, tracking and escalation, time reconciliation, asset management, integrated accounting and reporting. Fully customizable with several optional modules.
http://www.revelationhelpdesk.com

RightNow Technologies
Automate online technical support, customer service, and knowledge building for Web-connected businesses and organizations.
http://www.rightnow.com/

ScorpioSoft
Virtual Help Desk is a 100% web based application that allows a company to manage their internal and external users, development(engineering) and QA team with one integrated application.
http://www.scorpiosoft.com

Seeker
A multi-functional feature strong help desk, which includes queue, workload and workflow management functionality.
http://www.prophecy.co.uk

Serio
Offers helpdesk software with change management, SNMP network auditing and monitoring.
http://www.seriosoft.com

Sitehelpdesk
Helpdesk software with options for software and hardware inventory management.
http://www.sitehelpdesk.com

Spectrum Research
Introduces the developers of the web based Spectrum HelpDesk customer support system.
http://www.spectrum-research.com

SPoTS
Rapid deployment enterprise-class trouble ticket and CRM software for organizations with help desks or customer support groups.
http://www.troubleticketsoftware.com/

Support-Works
Combines NPA with a call logging and problem management system. Includes e-mail integration, SLA management, automated reporting and knowledge base.
http://www.support-works.com/products/index.php

Taskman Pro
Web-based enterprise authenticated work order management and helpdesk system, allowing tasks to be requested online with email based notification.
http://www.darasoft.net

Tenrox Incident Management
Business process management software for help desk, change management, bug tracking, issue tracking, incident management, and process tracking.
http://www.tenroxissuetracking.com/

TicketXPert.NET
Offers a multilingual solution with MS Windows XP look and feel and Outlook navigation.
http://www.ticketxpert.net/estart.aspx

Trouble Ticket Express
Open source web based help desk system written in Perl for Unix and Windows servers.
http://www.troubleticketexpress.com

VersaSRS
Web based, .Net helpdesk/service request software. Tracks service requests, product support issues and IT Help Desk incidents.
http://www.versadev.com/

WebTTS
Open source web-based trouble ticketing system written in Perl utilizing MySQL. Designed with the helpdesk, system admins, and network engineers in mind.
http://www.gashalot.com/software/webtts/

WonderDesk
Organize and track support e-mail calls with help desk software.
http://www.wonderdesk.com/

World Desk Pro
Customizable help desk based upon the Microsoft .Net Framework.
http://www.worlddeskpro.com

Yudo
A free ASP based support and trouble ticket system, including instant download.
http://www.freedesk.it