Internet.com
You might find this site somewhat overwhelming at times, but it has lots of great information and tools.

WDVL - Web Developers Virtual Library
The name says it all for this site. You can find lots of stuff to get your site going here.

HotScripts.com
Need some special function for your site? Check your Fantastico and cPanel first and if it's not already there, very likely you will find it here
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JavaScriptKit.com
Great resource for free JavaScripts, tutorials and more to help you add those bells and whistles to your sites. They also have web development tutorials.

PHP Resource Index
Looking for complete PHP scripts or code snippets to do just that special something for your site? Check here for lots of possibilities.

FirstPage 2000
Make Web Editing FREE and Easy with these tools from EvrSoft. They even have a built in script library to do a lot of the more common tasks. They also have a FREE FTP tool that helps you transfer files to and from your site.

Download.com
Provides a wealth of software for almost any need you may have. Try thier advanced search and look for License type of FREE to get some of the best deals around.