PackRat 1.0 Posted 2/05/2007 at 15:39 UTC in Mac by gnye@amdesign.net | Permalink | Tweet PackRat 1.0 lets you use your Backpack data when you can't be on the 'net. Before you hit the road for the first time with PackRat, just sync up with Backpack and your data is duplicated in PackRat's database.