Ablebits.com Workbook Manager for Excel

Workbook Manager for Excel add-in works like an Microsoft Excel Task pane and displays all open workbooks and worksheets in a tree-view catalog. You can easily navigate between your Microsoft Excel workbooks, drag sheets across workbooks, sort, rename, delete, re-arrange them and insert dozens of worksheets in a click. The add-in works with Microsoft Office Excel 2010 - 2003.