Brimir: A free and open source ticket based support app
Brimir is a free and open source ticket based support app built with ruby on rails. Brimir is available in two versions one is in self-hosted and another is hosted version. The self-hosted is free and available for download and fork at Github, whereas the hosted version starts from $19.99 per month.
The Brimir has awesome features the most lovable features is the ticket raising features via email in a beautiful way.