A whole bunch of javascript/ajax links

• http://script.aculo.us/
• http://www.prototypejs.org/
• http://www.protolize.org/
• http://www.dynamicdrive.com/
• http://www.dhtmlgoodies.com/
• http://dojotoolkit.org/
  The Yahoo! User Interface Library (YUI) & http://www.dustindiaz.com/yahoo-event-utility/
• http://www.maxkiesler.com/index.php/weblog/comments/round_up_of_50_ajax_toolkits_and_frameworks/
  (A roundup of 50 AJAX toolkits/frameworks)
• http://edevil.wordpress.com/2005/11/14/javascript-libraries-roundup/
  (A roundup of Javascript libraries)
• http://www.blinklist.com/tag/api+javascript/ (another collection of libraries)
• http://www.mozilla.org/docs/dom/domref/dom_shortTOC.html (DOM reference)