Appium helps combating the inevitable pain of testing your apps on different native platforms.

It gives you the chance to use the tools you always use to test kick-ass applications that you create for different environments.

Appium only works on Mac OSX and requires Node.js.

Prepros compiles the source and injects it into the browser so you can see the result without having to refresh the page, which was quite a hassle previously.

It is customizable so you can be sure that the output looks the way you want it.

Label.css supports all the possible positions and has two hover effects for float and fade.

It’s a useful plugin for positioning your labels, and, if nothing more, it’s easy to use and quite small.

This way of doing things has several advantages, the main of which is that all the logic gets handled on the SVG side.

The clown car technique, by the way, is thus called because all the images (clowns) are stuffed inside one huge image (car).

skel.js has a 12-column CSS grid system that is very much enhanced by JavaScript so it can handle complex layouts more easily.

skel.js has implemented a breakpoint handling system which is straight to the point. Additional features, such as the well-developed CSS shortcut system, help with writing concise & effective code.

chat room script for creating chat rooms everywhere.

phpFreeChat doesn’t require a database and doesn’t have to be run on a new browser: it works everywhere with a PHP version larger than 5.3. and if the browser supports jQuery.

phpFreeChat is heavily customizable so you can tweak it to work on your mobile designs as well.

Verlet integration physics engine written in JavaScript.

Verlet.js can handle simulations, composites, particles and constrains. From these you can make just about anything, the sky is the limit. Its parts intertwine very well: for example, you can link particles together so they interact.

randomly arranged responsive gallery with lazy resource loading.

This gallery is useful if you want to create an image gallery which loads the images within the page. It’s well made and elegant, but some more customization options could be there. Least.js uses jQuery for operation.

jQuery plugin for creating super-smooth animations better than jQuery’s .animate() does.

Transit allows animating, rotating, skewing, transforming and much many other things.

It’s also seems easy to use and degrades somewhat gracefully. Although this plugin has merit by itself, it’d be nice to see some unit tests comparing it with jQuery’s animate.

This way of making such menus addresses the most common problems one might encounter in the process of building them.

It’s nothing ground-breaking, for sure, but at the very least it’s interesting to see problem solving in action.