javascript

ie7-js – A JavaScript library to make MSIE behave like a standards-compliant browser. – Google Project Hosting
Selectivizr – CSS3 pseudo-class and attribute selectors for IE 6-8
Lazy Load Plugin for jQuery
JavaScript InfoVis Toolkit
php.js – php.js

Very useful project that takes PHP functions and makes them available in JavaScript.

Highcharts – Interactive JavaScript charts for your webpage

I’m tentatively planning to use this for some iPhone/iPad apps.

JavaScript Rocks! JavaScript Performance, Benchmarking and Tuning Ebook

I am no JavaScript guru, and they are. 🙂

Modernizr

This is awesome.

Ways to debug your jQuery or JavaScript codes – Hungred Dot Com

I’m a JS novice who has run into IE-specific problems, so this is a good thing.

Jeditable – Edit In Place Plugin For jQuery

I’m going to use this for one of my web projects.