jKey is a tiny plugin by Oscar Godson that makes hot keys and key shortcuts handling much easier.

jKey works with jQuery, so you can select any applicable element to set a key command to. Basically, any element that can be focused on such as an input or textarea can have a key command applied to it.

It supports multiple keys and unlike OS key shortcuts, jKey allows you to combo just about any key supported by jKey. The supported keys are:

• a-z
• 0-9
• f1-f12
• left, down, up, right
• `, ~, -, _, =, +, [, {, ], }, \, |, ;, :, ‘, “, ,, <, ., >, /, ?
• esc/escape, insert, delete, home, end, pgup/pageup, pgdn/pagedown, fn/function(3)
• ctrl/control, alt, shift, backspace/osxdelete(1), enter/return(2), super/windows, capslk/capslock, tab, space/spacebar

zAccordion is an easy to use, fixed-width horizontal accordion plugin for jQuery. The HTML is pretty simple and can be set up to automatically rotate content / images.

zAccordion comes with number of interesting options including:

• Custom triggers
• Timeout between the slides
• Easing option
• And speed

This free horizontal accordion plugin is built using unordered list and requires minimal markup to setup and running.

PEG.js is a parser generator for JavaScript based on the parsing expression grammar formalism.

It enables you to easily build fast parsers which process complex data or computer languages. You can use it as an underlying tool when writing various data processors, transformers, interpreters, or compilers.

Features

• Simple and expressive grammar syntax
• No separate lexical analysis step — both lexical and syntactical analysis are handled by one tool
• Handles wide class of grammars (superset of LL(k) and LR(k))
• Precise and human-friendly error reporting

Both the parser generator and generated parsers should run well in all major browsers: IE6+, Firefox, Chrome, Safari, Opera and Rhino.

DOM Monster is a cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you’re on, and give you its bill of health.

Just install the DOM Monster bookmarklet, and use it on any web page or app. If there are problems, DOM Monster will point them out and even make suggestions on how to fix ‘em.

DOM Monster is the answer to JavaScript performance tools that just don’t give you the full picture.

The LinkDeck icon pack is a collection of 38 free PSD vector icons in 5 different sizes ranging from 16px to 256px. You may remix/adapt the work, copy and distribute it. This free vector icons collection can be used in both personal and commercial projects.

This PSD vector collection contains icons for all popular social media sites and many popular software and web applications including WordPress, Feedburner, Windows and Blogger.

Recommended: 100 Open source vector icons

Spritebox is a web based WYSIWYG CSS sprite generator tool which helps web designers quickly and easily create CSS IDs and classes from a single sprite image.

This free CSS sprite generator tool is built using jQuery, CSS3 and HTML5. It works well in all html5-enabled browsers.

Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed.

The FriendFeed application is written using a web framework that looks a bit like web.py or Google’s webapp, but with additional tools and optimizations to take advantage of the underlying non-blocking infrastructure.

The framework is distinct from most mainstream web server frameworks (and certainly most Python frameworks) because it is non-blocking and reasonably fast. It can handle thousands of simultaneous standing connections, which means it is ideal for real-time web services.

Tornado has been tested on Python 2.5 and 2.6. To use all of the features of Tornado, you need to have PycURL and (for Python 2.5 only) simplejson installed.

ExpressJS is an insanely fast (and small) server-side JavaScript web development framework built on node and Connect.

It provides high performance, high class web development for Node.js.

Features

• Robust routing
• Dynamic view helpers
• Application level view options
• View rendering and partials support
• Session based flash notifications

jQuery.validVal is an open source validation plugin designed to simplify form validation. It is highly customizable, very feature rich and can easily be dropped on any type of HTML-form (even AJAX-forms) with very little effort.

validVal supports three default value-validations: required, numeric and email-format. It supplies a workaround for IE’s lack of support for the :focus-pseudoclass.

An easy to use jQuery slideshow WordPress plugin that helps you create an instant image gallery for your WordPress.  With this plugin you don’t have to code anything: just write your post with the usual wysiwyg editor in WordPress and activate the slideshow, you are done.

Re-arrange the images in the slideshow straight below your post with a simple drag ‘n’ drop interface. No cut, no paste, no numbered images, no metabox. Manage and customize transitions and timings on the fly.