Keyboard Delimiter is a powerfull jQuery plugin that remove the possibility of pressing any key or group of keys in the keyboard. Only is possible if this keys are defined previously by options.
Lightweight plugin that enables keyboard shortcuts for pagination. It supports Numbered links, Previous-Next page links, First-Last page links.
Virtual Keyboard is a jQuery UI plugin that comes with lots of features, compatible with theme roller, works with jQuery mobile and would ideal for touch screen.
This plugin supports many keyboard layouts like qwerty, alphabetic, numeric, Dvorak, regional layouts or any other custom layout. The entire keyboard can be easily customized with CSS.