This program appears to be a decompressor only - it lets you look at the contents of a Zip file, but doesn’t give you a way to manipulate the contents. It offers the ability to preview files from inside the Zip file, and has a mysterious feature that I don’t understand:

ZipForward™ can burn your package to an Application (.EXE) format. This means that anyone with a Windows computer can run and extract your package, just by double-clicking the icon. From then on they can use the package you gave them to send to their friends, and their friends, and so on.

ZipForward 1.1 is shipping as of April, 2003.

http://www.alcena.com/zipforward.html