item 1
item 2
item 3          Only on last item

$scope.lists = {
  item1:  "item 1",
  item2: "item 2",
  item3: "item 3"
}

<li ng-repeat="list in lists">{{list}}<a style="float:right;">Only on last list item</a></li>

item 1          Only on last item
item 2          Only on last item
item 3          Only on last item