brunch is an opinionated client side framework with REST, HTML and CSS in mind.

Treesaver® is a JavaScript framework for creating magazine-style layouts using standards-compliant HTML and CSS.

This is a set of apps which creates the same application in various Python web micro-frameworks.

The app(s) talks to Facebook, and finds out recent people who have posted a public status with the text "so starving".

Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing application over a RESTful JSON interface.

Uki is a fast and simple JavaScript user interface toolkit for desktop-like web applications.
It comes with a rich view-component library ranging from Slider to List and SplitPane.