Here are a couple of the bookmarks that I have used many times and they could be useful for some of you!

Jquery Visual Documentation

http://visualjquery.com/

How To Optimize Your Site With GZIP Compression

http://betterexplained.com/articles/how-to-optimize-your-site-with-gzip-compression/

UNIX man pages

http://bama.ua.edu/cgi-bin/man-cgi

The JavaScript Verifier - Great

http://www.jslint.com/

Online Javascript compressor

http://javascriptcompressor.com/

Javascript - PHP equivalents

http://kevin.vanzonneveld.net/techblog/category/php2js/

Web Design Wall has posted 10 jQuery tutorials with the designer in mind.

jQuery Tutorials for Designers

Interface Elements for JQuery is a collection of interface effects and controls built on JQuery the lighweight Javascript Library.

http://interface.eyecon.ro/demos