Links JavaScript upd:2010-03-30

Diseño CSS

http://www.cssplay.co.uk/
http://www.csszengarden.com/
http://www.dynamicdrive.com/style/
http://code.google.com/p/malo/  <- Muy bueno

Prototype
http://www.prototypejs.org/
http://api.prototypejs.org/
http://prototypejs.org/api
http://prototypejs.org/learn

FX
http://moofx.mad4milk.net/
http://script.aculo.us/

Controles
http://openrico.org/
http://livepipe.net/
http://prototype-ui.com/
http://digitalbush.com/projects/masked-input-plugin/

Repositorio de Script que utilizan Prototype
http://scripteka.com/

Varios CSS, JavaScript
http://www.davenicolette.net/dhtml/
http://dithered.chadlindstrom.ca/javascript/1kdhtml/usage.html
http://24ways.org/
http://www.creativyst.com/Prod/3/
http://www.dynamicdrive.com/
http://validator.w3.org/checklink
http://accesibilidadenlaweb.blogspot.com/2009/11/hoja-de-trucos-del-w3c.html
http://es.wikipedia.org/wiki/Accesibilidad_web

Testear al Navegador
http://www.acidtests.org/

JavaScript
http://www.functionx.com/javascript/Lesson01.htm
http://www.webdevelopersnotes.com/tutorials/javascript/embedding_javascript_html_web_pages.php3
http://javascript-lesson.blogspot.com/
http://www.json.org/
http://www.w3.org/DOM/

Recursos para desarrollo
http://getfirebug.com/
https://addons.mozilla.org/en-US/firefox/addon/60
https://addons.mozilla.org/en-US/firefox/addon/249
https://addons.mozilla.org/es-ES/firefox/addon/1815
https://addons.mozilla.org/es-ES/firefox/addon/35
https://addons.mozilla.org/es-ES/firefox/addon/271
http://www.mozilla.org/projects/venkman/
http://www.brainjar.com/dhtml/domviewer/

Referencias
https://developer.mozilla.org/En
http://www.w3c.es/
http://www.w3.org/
http://www.quirksmode.org/
http://www.w3.org/TR/xslt
https://developer.mozilla.org/es/XSLT