I don't know of any programs for your computer, but I've been using Shelfari for several years if that interests you. I keep track of all my books there, and write reviews, mostly for myself, I find it very useful. Here is a link to a group shelf:
♦ What Are You Reading? ♦
There are a couple of others, one is LibraryThing, but I haven't checked it out as Shelfari is fine for me:
LibraryThing | Catalog your books online