Cross-device address bar hiding

Sweet Justice lovingly inserts the obscure yet wonderful soft hyphen into the text of any element marked with the sweet-justice class, and turns on CSS text justification. It requires either jQuery or YUI3 to function.

The Closure Compiler is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript. Instead of compiling from a source language to machine code, it compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls.

an implementation of the Knuth and Plass line breaking algorithm using JavaScript and the HTML5 canvas element.

Allows you to upload files using HTML5 Gears, Silverlight, Flash, BrowserPlus or normal forms, providing some unique features such as upload progress, image resizing and chunked uploads.

CoffeeScript is a little language that compiles into JavaScript.

Lots of good stuff in here, with lots of tips for graceful degradation.

Undoes the evil wrought by Dean's packer and other obfuscators.

Pretty slick idea for a commenting system. UI could use a little polishing, though, and it needs to be more responsive.

extended the Autocomplete.Local from Scriptaculous to implement the autocomplete to: field mimicing the Facebook's features

Modernizr uses feature detection to test the current browser against upcoming features like rgba(), border-radius, CSS Transitions and many more.

TextboxList turns normal textboxes into a widget which can be navigated with the keyboard, effectively turning your input into a “list” of items that can be easily deleted. It comes with an official Autocomplete plugin.

Visualization toolkit for Javascript

Tunnel HTTP over HTTP, in a structured, controllable, securable way. Let programs claim part of URL space, and serve HTTP, all by using an ordinary HTTP client library.

Bookmarklet for inline translation

Control multiple remote instances of Selenium running on EC2.

Shoulda for JavaScript

Most of these are pretty gimmicky, but a few are worth keeping links to.

keyboard navigable AJAX widgets for better usability and accessibility

Examples for usage of Google's APIs, which can be edited and executed live in the browser.

N.B. debug(fn), monitor(fn), monitorEvents(object)

greasemonkey script that rewrites twitter's "in reply to" links to use quotably, which shows threads

Galleria is a javascript image gallery written in jQuery. It loads the images one by one from an unordered list and displays thumbnails when each image is loaded. It will create thumbnails for you if you choose so, scaled or unscaled, centered and cropped

Controls & Widgets for Prototype

a marker clustering add-on for google maps, with a nice API

A must-have. I've been reticent to grow dependent on Firebug's console logging specifically for lack of something like this.

Jacques Distler wanted it done right, so...

a rails plugin to make generating lightboxes easier

generate unique passwords for web sites