1)   SizeExplorer Pro 4.1
Powerful disk space usage analyzer with folder size, charts, statistics, duplicates finder, clickable reports, complete file listing, exports, printing, search, file management, loading and saving of explorations (snapshots) and compare of snapshot.

 2)   Space Checker 5 5
Space Checker 5 scans your drives, and gives you a detailed view on which files are taking up all the space in those drives, duplicate file finder then finds exact duplicates of any files allowing you to get rid of copies and free up the space