jQuery has gotten richer in features throughout the years — but it’s also gotten bigger and can contain many features a developer won’t want to use.

jQuery Builder helps making a custom build of jQuery, allowing developers to choose which modules to include or not.

The builder is also available for the Node.js command line tool. This is a very nice way of reducing the load time for your websites.

Bootstrap Magic is a theme generator for Bootstrap. It has a live preview which updates in real-time.

Bootstrap Magic supports LESS and all of its functions. The output is a minified (or not) CSS file which you can use for your very own hand-built Bootstrap design.

CSSCSS is a ‘redundancy analyzer’ which finds duplicate declarations in your code.

CSSCSS lets you know if there are any rulesets which have duplicate declarations. It makes your code much faster and lighter.

CSSCSS is available as a Ruby gem. It’s easy to use and doesn’t delete the duplicates so you don’t lose control over your code.

Magnific Popup is a lightbox plugin with emphasized features for responsiveness.

Magnific Popup integrates with Zepto.js as well. It’s focused on performance and on providing the best user experience possible.

You should give Magnific Popup a go because it’s heavily optimized, supports Retina displays and is highly extendable. Browser support is also good, although expect some bugs with IE7.

Capsule is a WordPress theme for creating a code journal.

It also serves as a “paste document” which developers sometimes have open to store snippets for some time.

Capsule has code highlighting and sports convenient features for editing.

While some developers use Gists, txt files or other tricks for storing their snippets, Capsule allows you to share them easily and store them in an environment that’s easy to search through. Each snippet is enveloped with metadata that helps finding your old ones.

jQuery-menu-aim is a plugin that improves dropdown menu functionality by detecting the direction of the mouse.

Basically, the plugin detects mouse movement and can thus predict whether the user wants to use the sidebar or slide further down.

Here’s an in-depth analysis that shows where the inspiration for the plugin came from, how it’s implemented in Amazon, and what problems it can solve.