MCA archives one's file collection and searches them with powerful options (file size, time, wildcards, regular expression, etc). Windows shell integration, automatic update! Works on major OSs. MCA is a donateware where ALL proceeds go to charity!

Split files into smaller parts. Can create a batch file to help combining the parts. Small in size. Can run directly from a floppy disk.

Eraser is an advanced security tool, which allows you to completely remove sensitive data from your hard disk by overwriting it several times with carefully selected patterns.

The utility shows relative size of files and subdirectories in a directory on disk using columnar diagram. It allows you to quickly estimate how many space a file or subdirectory occupies on parent directory.

3D freeware animated disk statistics - spice up your disk stats

Easy to use software demonstrates the chemical design & rating calculations of Shell and Tube Heat Exchangers.Unlike other tools, ensures that calculations are performed step by step to help in understanding the design calculations...etc

Hard disk utility that helps you track disk space usage. It uses stylish and unique 3d graphics. Helps you understand where is lost most of disk space. It's unique disk utility that makes your file system more organized. More info on site.

Powerful disk space usage analyzer with folder size, charts, statistics, clickable reports, complete file listing, exports, search, printing.