jQuery tag input and autocomplete plugin : TextExt

TextExt is a plugin for jQuery which is designed to provide functionality such as tag input and autocomplete.TextExt’s modular design allows you easily turn a standard HTML text input into a wide range of modern, tailored to your needs input field without bloating your source code and slowing down your site with the code that you aren’t using.

A wide number of plugins are available including Tags, Autocomplete, Filter, Ajax as well as a few which are purely aesthetic like Focus.