jQuery 1.2 Cheat Sheet :: www.gscottolson.com/weblog/
A handy cheat sheet of jQuery methods to print out and keep on hand.
Cheat Sheets for the YUI Utilities » Yahoo! User Interface Blog
If you use the Yahoo JavaScript libraries a lot, these cheat sheets (inspired by those of fellow Brightonian, Dave Childs) should come in very handy.
Related links
YUI Tetris!
Dustin has written Tetris in JavaScript (using the Yahoo library). Nifty!
Easy Toggle State
I think about 90% of the JavaScript I’ve ever written was some DOM scripting to handle the situation of “when the user triggers an event on this element, do something to this other element.” Toggles, lightboxes, accordions, tabs, tooltips …they’re all basically following the same underlying pattern. So it makes sense to me to see this pattern abstracted into a little library.
BBC - Glow JavaScript Library
The BBC have released their JavaScript library. This one is worth paying attention to for its wide browser support base.
jQuery UI: Widgets, Components, and Interactions
From the people who brought you jQuery comes a set of widgets built using jQuery complete with documentation and tutorials.