MochiKit is a highly documented and well tested suite of JavaScript libraries that will help you get things done, fast. It takes good ideas found in Python, Objective-C, etc. and adapts them to the crazy world of JavaScript.
Lytebox is a lightweight, cross-browser compatible and mobile friendly Javascript library and content viewer. It's easy to use, it's fast, it's compatible with other libraries, and best of all, it's COMPLETELY FREE.
bHive canvas is a lightweight Framework, library and API for JavaScript developers easy access to the powerful HTML5 canvas tag. Create animations, games, interactive elements in minutes that run on all major browsers
Single player and online chess games written in javascript. The site uses ajax to enable a wonderful user experience with a lightweight client. The client can connect to the FICS chess server. Chess variants and chess analysis are available. The GNU c
|es|f| is a web based HTML frontend for esniper, the lightweight console application for sniping eBay auctions. It is written in PHP + Javascript and use files for data storage, no database needed. It is build using extensions (modules and plugins).
Liquid is a lightweight JavaScript (ECMA-262v3) framework not tied to a specific system or technology.
It is a pure API designed to be efficient and portable on different platforms. It can be used inside classic
and mobile web browsers,