Alta Vista
This is one of my favourite search engines.
Shareware
One of the foremost sites for free software on the Internet.
Jumbo
About 200,000 files, including about 50,000 programs of Shareware, Freeware and Public Domain software.
Winsite
Claimed to be the planet's largest software archive for Windows (NT included).
Windows95
32 bit Internet and Network shareware.
Bits and pieces
Some odds and ends which I have come across.