I'm helping a new non-profit startup get going and we ultimately went with Atlassian stuff since we just plain and simple cannot afford FogBugz. I've used FogB

I'm helping a new non-profit startup get going and we ultimately went with Atlassian stuff since we just plain and simple cannot afford FogBugz. I've used FogBugz and like it quite a bit, but the email response I received from them basically reiterated what was on their website: no discount for groups over 2 people. If FogCreek came up with something competitively priced as Atlassian's "starter pack" I'd consider switching, but there is also a significant cost of moving all the data over the more we grow.