Sinergia - free help desk framework in CSharp
Sinergia is a ASP.NET Workflow Foundation and Windows Communication Foundation based free help desk solution, developed in CSharp. It solves all the Workflow and WCF plumbing implementing one help desk scenario, providing tools to customize it to fit your needs. It provides Help Desk Ticket Management, Claim Management and Order tracking solution.
Look and feel, data structures, and business processes are customizable.