Ringbinder is a Javascript library that will help you data bind your html form elements to your javascript objects. It uses custom attributes to perform the data binding.
JPSPAN provides tools to "hook up" PHP and Javascript, for the purpose of fetching data from PHP into a web page which has already loaded, without reloading the entire page. It allows you to call remote PHP objects as local Javascript objects
Naikai is a set of game-oriented XPCOM components that vastly simplify the process of creating games. You can use Python or JavaScript or any XPCOM-enabled language to glue all of the provided components (image loaders, graphics renderers, a sound system