FreeZip
Freezip - freeware zip and unzip software for ms windows
http://www.ozemail.com.au/~nulifetv/freezip/
FileWrangler
A windows file manager which includes zip/unzip, multiple file list windows, file contents viewer, file patch maker, text and html editors, split files between disks, file encryption, and much more.
http://www.cursorarts.com/ca_fw.html
PKZIP
Data security software from pkware secures data files at rest and in transit with passphrase or certificate-based encryption and cross-platform capability
http://www.pkware.com/
WinAce
WinAce
http://www.winace.com/
WinRAR
Winrar provides the full rar and zip file support, can decompress cab, gzip, ace and other archive formats
http://www.rarsoft.com/
Wincox
Wincox
http://www.mimarsinan.com/
WinZip
WinZip
http://www.winzip.com/