For the BEST selection of WINSOCK.DLL (tcp/ip) compliant software, try TUCOWS !
(The Ultimate Collection Of Winsock Software)
WinZip is probably the best utility to handle just about all your file compression needs. Besides .zip, it handles .tar, .gzip, and now uuencoded files.
An excellent source for Shareware and Freeware is TopShareware. Give them a try.
A valuable resource for people getting started on the Internet and learning where and how to download the best software and shareware is the Galt Shareware Zone.
If you are really at a loss in searching for almost any Shareware, take a look at C|NET. It can find almost anything out there.
If you're a real glutton for punishment.... get information for all versions of Windoze...
And if you are really having trouble, get the right answers at the Windows Annoyances Page for all versions of Windows.