Free software tool for configuration and management IT asset database
CMDBuild is the most flexible software to configure a custom database of assets (CMDB stands for "Configuration and Data Base Management") and design related workflow processes. The purpose is to let operators have full control of the assets, knowing their composition, location, functional relations and the changes over time. CMDBuild allows you to design ITIL compliant workflows.
Issue tracking and team collaboration system
WebIssues is an open source, multi-platform system for issue tracking and team collaboration. It can be used to store, share and track issues with various attributes, description, comments and file attachments. The system is easy to install and use but has many capabilities and is highly customizable.
RMM Tool for IT MSP companies
RMM tool for IT Managed Service Providers. Web based, with Windows, Linux and MAC agents.
A web-based bug or issue tracker written using ASP.NET, C#, and SQL Server (SQL Server Express too). Probably has all the features you need. Easy to setup. Power and flexibility when you need it. Learn more at http://ifdefined.com/bugtrackernet.html
Complain Management is a Web based project used to manage Customer's complain Online. User can login, and Create complain, view complain details and track the status of its complain.
Extensible n-tier application with multilayered architecture. It's an open source project and available for free. Initially targeted to web based solutions. Licensed under the modified MIT license. Visit http://sibertek.net to know more.
An open Source Customer Interaction Management Software
Skynix OpenCIM is a state-of-art Customer Interaction Management System. It is a an open source support ticket system that seamlessly handles customer service/support via email, web-forms and phone calls vide a simple, easy-to-use, multi-user, web-based customer support platform. This comes packed with more features and tools than most of the expensive (and complex) support ticket systems on the market. The best part is, it's completely free. IRC Freenode #skynix