Software Utilities

Compression/ Decompression Programs
PK-Zip 2.04G Probably the most commonly used compression utility on the Internet.
WinZip 6.0 A Windows interface to PK-Zip
ARJ Another popular compression utility. Large amount of options.

Viewers
MathReader A free utility that allows you to view Mathematica notebook documents without Mathematica
Adobe Acrobat A free utility that allows you to view Postscript (PDF) files
rops32 A real slick PostScript viewer for Win95 only
gs333ini.zip
gs333win.zip
gs333fn1.zip
gsview13.zip
Ghostscript and GSview. Used to view PostScript files.

The documentation for Ghostscript is in the gs333ini.zip file
For more info see the Ghostscript and GSview homepage

Miscellaneous Helper Utilities
MPEG for Windows MPEG Player for Windows