[raverbashing]

Since it was mentioned on the title, here's a tip

Don't sign up for the ZenDesk trial, unless you are sure of what is it about and that you want it.

You'll spend 10% of your time evaluating their product and 90% of the time dealing with their aggressive sales team and tactics

[ahmdrefat]

We've compared GitHelp to ZenDesk in the since that can help people serve their customers in a better way. The people here are the open source maintainers and the customers are the developers who are using their projects.