Get your taxes done using TurboTax

The itemizing of donated items is the key feature with the item's value look-up capabilities.

 

The tracking, of monetary donations, is not very hard to do offline.  Mint does help, but it has too many problems categorizing transactions to be truly useful.  With Mint, you would have to review all of your transactions to make it work.  If you go to that trouble, you can do it offline.