This sounds very like Redmine [0]. It's ostensibly for project "issues" however it's extremely customizable and all of the above are included in the default con

This sounds very like Redmine [0]. It's ostensibly for project "issues" however it's extremely customizable and all of the above are included in the default config and not much more. It sounds like if you removed about 2 default fields it'd be perfect for the ticketing system you describe above. Plus RSS + Notifications + a solid API. [0] http://www.redmine.org/ http://www.redmine.org/