Wikipedia has a useful comparison of issue-tracking systems, mostly IT focused though: https://en.wikipedia.org/wiki/Comparison_of_issue-tracking_systems https

Wikipedia has a useful comparison of issue-tracking systems, mostly IT focused though: https://en.wikipedia.org/wiki/Comparison_of_issue-tracking_systems https://en.wikipedia.org/wiki/Comparison_of_issue-tracking_s... These might be closer to what you are looking for but I can't recommend them because I haven't tried them. GPLi has my vote for tech support. http://osticket.com/ http://osticket.com/ https://zammad.org https://zammad.org You could also consider a CMS (Wordpress, Drupal, etc.) help-desk plugin