Semi-OT: Referral for Linux-friendly accountant

[Kevin Brown]

http://search.cpan.org/search?query=quicken&mode=all

a couple of perl modules that can deal with QIF and IIF.  Just a note, 
QuickBooks (as opposed to Quicken) doesn't have categories.  What you 
think is a category is actually another account.  GNUCash does the same 
thing and is part of doing double-entry accounting (or bookkeeping).

http://en.wikipedia.org/wiki/Double-entry_bookkeeping_system