3 Tools in one: PieChartDir: Provides an interactive pie chart of disk usage.
Includes percentages and byte values. DupFinder: Locates duplicate files.
CompareDir: Compares two disks or directories. All three tools have a graphical
user interface. Shareware. Workbench 2+ required. No special libraries, CPU, or
memory requirements. Binary only, Author: Barney Blankenship.