Following a consistent design pattern and structure also helps when fixing bugs or building on top of a plugin. Having a structure that has proved to stand well in my other plugins means I won’t have to rehash my code to account for new details. I know it can hold well with small plugins as well as larger ones.

Create custom dropdowns with keyboard navigation, degradation, etc.

Firediff is a Firebug extension that tracks changes to a pages DOM and CSS.

tablesorter is a jQuery plugin for turning a standard HTML table with THEAD and TBODY tags into a sortable table without page refreshes. tablesorter can successfully parse and sort many types of data including linked data in a cell.

Since Bill Beckman switched to using client side sorting for my tables via the tablesorter.js plugin created by Christian Bach, the one thing he have missed from the server side method he was using before is the highlighting of the sorted columns. He created a nice widget for this.

You know that page-curl effect you get sometimes on sites? This is how to do it with jQuery. Not bad.

Facebox is a jQuery-based, Facebook-style lightbox which can display images, divs, or entire remote pages. It's simple to use and easy on the eyes. You'll need a loading image, close label, four corners, and solid border images in addition to the javascript and css files

The jQuery sIFR Plugin is an addon for jQuery that makes it easy to replace text in a web page with flash text (sIFR, Scalable Inman Flash Replacement). It gives you a function in javascript to replace text in a web page dynamically with sIFR text, using native jQuery functionality along with the jQuery Flash Plugin.

Nice image gallery script, fast.

Parallax turns a selected element into a 'window', or viewport, and all its children into absolutely positioned layers that can be seen through the viewport. These layers move in response to the mouse, and, depending on their dimensions (and options for layer initialisation), they move by different amounts, in a parallaxy kind of way.