The sample app contains three additional parts beyond Amber itself:
amber-contrib-jquerymodule, providing jQuery and a wrapper over it.
Webpackage that allows for DOM manipulation and is inspired by Seaside.
amber-contrib-domitemodule, providing Amber-native DOM wrapper.
Silkpackage that allows for DOM manipulation, is meant as alternative to
Weband is inspired by stream metaphor and mochikit.