Which opensource helpdesk do you recommend?

Question

linux

There are those. support and there are office staff.
They asked to deploy some kind of helpdesk system so that the guys from those departments would not forget the employees' appeals. support and react in some way.
Requirements:
1) Free
2) Opensource
3) Linux, web
4) Simpler, without intricate interfaces and unnecessary goodies

Answer 1

Hesk is simple.