Autoscripter.com
Offers a number of free scripts including JavaScripts, DHTML scripts, Perl scripts, and more.

Code Archive
Numerous scripts in several languages including JavaScript and VBScript.

Doc JavaScript
Biweekly JavaScript columns and a new JavaScript tip every day of the week, including weekends. Also features various tools and other JavaScript resources.

JavaScripts.com
You have to register an email address and password, but once you are done there are alot of free scripts to use.

JavaScript Search
Search for JavaScripts, tutorials, FAQ's, tips, and much more.

The JavaScript Source
A large collection of cut and paste JavaScripts to use on your pages.

Onlyscripts.com
Only Scripts is a web directory of free cgi and java scripts. Also includes many helpful links to cgi and java documentation.