9.5 Info-Zip

The Info-Zip archive tools zip and unzip for compression and uncompression are available from the Info-Zip homepage

http://www.cdrom.com/pub/infozip
or
http://sunsite.cnlab-switch.ch/ftp/mirror/infozip/
(European mirror)

or from CTAN in the directory

ftp://ctan.tug.org/tex-archive/tools/infozip/
There is also a GUI based variant of zip/unzip called wiz in the same directory.