Ever had to work out the logic of other people's Excel files? Ever had to untie the spaghetti-knots of a large Excel workbook's formulas? Then you know what a nightmare this can be!
Now there is the ExcelRefTool!
With this tool, finding out how a cell in a workbook derives its results and what other cells depend on the cell is a breeze.

Visit this page to find out more.

There are two versions available for download: a commercial version with full capabilities and a <img src=/S/free.gif border=0 alt=free width=30 height=15> demo version with slightly limited capabilities.