jQAPI is an alternative jQuery documentation site. It seems to be up to date (let’s hope this one will continue to update) and it offers a really easy way to navigate through the items (keyboard navigation is supported). An offline version of the documentation is also available for download.
TipTip, as the name almost suggests, is a jQuery plugin for creating tooltips. What makes this one a bit different from other tooltip plugins is the fact that it will generate one set of popup elements total, rather then generating one set of popup elements for each element with TipTip applied to it.
A really handy plugin for those using jQuery as their main JS framework and Google maps. As the author states, parts of it is still in “work in progress” but still it provides all the basic functionality that someone needs to embed a google map.
Feature list is a really lightweight jQuery plugin that let’s you create easily those tabbed feature lists that we see everywhere. 3 options are configurable for this plugin. Starting item, pause on hover and the transition interval.
Growl-like notifications seems to be a usable way to inform users about the status of their actions. There are many jQuery plugins that provide this kind of functionality and here’s a list of 6 growl-like notification scripts.