I have been using kutools and I like the sidebar navigation it has that allows you to easily see all the sheets and the hidden sheets. The sidebar allows you to easily hide and unhide sheets. The problem is that ever since I upgraded to 2013 it crashes all the time. I contacted Kutools and they do not seem to know how to fix it.
So I was wondering if anybody knew of a similar add-in that just does the navigation part as a sidebar.