Calculate the position of an element relative to another element or event. It has also functionality to handle collision within the viewport of a given container. It does not manipulate CSS or DOM, it only calculates values. It is a basic technology to support implementation of tooltips, popups, popovers, scrollspies, sticky navi and many more.

jQuery copyright

A jQuery plugin to automatically append reference and copyright text to any content the user is copy & pasting away from your site.

jQuery referenceSection

jQuery plugin to add a reference section to page with a description of each of the selected elements. The description is also shown on the hover of element.

in-text citation tool

jQuery/PHP based referencing tool for online documents.