What are some good web based trouble ticket systems?
Hi I am looking for a simple trouble ticketing system for my small software development company. It should be web based, preferrably an open source for self hosting, but cheap hosted service is okay too.
The main feature should be e-mail submitting of new tickets.
Thanks for helping.
EDIT: This is for customer support. For internal activities (projects, plans, bugs etc) we use Redmine.