Top-100 essential downloads of free software & freeware for Windows XP.
http://100-downloads.com/
 
101 Fabulous Freebies.
http://www.pcworld.com/reviews/article/0,aid,124883,pg,1,00.asp

Nonags is the safest place on the Internet to download free software from
http://www.nonags.com/

File  Hippo - Download free software
http://www.filehippo.com/

Welcome to Clif Notes Newsletter
http://freewarewiki.pbwiki.com/NewsLetters 

Hi, on this site you'll find the best freeware downloads/programs available. 
http://www.topfreeware.net/

"MajorGeeks.com - We know you're out there, and we're coming to get you."
http://www.majorgeeks.com/

Lots of FreeWare  http://www.portablefreeware.com/all.php

Click on the FREEWARE tab at top of their page.  http://www.snapfiles.com/   

The greatest Freeware Programs. Lots of free stuff.  http://www.pricelessware.org/ 

Doc's Mega Download Web Site   http://www.docsdownloads.com/

Windows Freeware - The Best Free Software for Windows.  http://nedwolf.com/

Great free programs. Subscribe for news letter here  http://www.karenware.com/ 
  
Free Programmers', Webmasters' and Security Resources  http://www.thefreecountry.com/  

Complete Resources for PC Users  http://www.pcnet-online.com/

Jumbo! Download Network
SHAREWARE.COM -- the way to find shareware on.
Tucows Downloads - Download the best software, shareware, freeware, demos, themes, games and more!
http://downloads-zdnet.com.com/
http://www.pcworld.com/category/software
http://www.freewarehome.com
http://www.passtheshareware.com/
http://en.downloadastro.com/
http://www.softpile.com/
http://www.completelyfreesoftware.com