jStorage is a simple wrapper plugin both Prototype, MooTools and jQuery to store data on browser side. jStorage makes use of HTML5 local storage where available and userData behavior in Internet Explorer older versions. Webkit SQLite is not supported. Current availability: jStorage supports all major browsers - Internet Explorer 6+, Firefox 2+, Safari 4+, Chrome 4+, Opera 10.50+
HotKeys is a keyboard hooker plug-in. May you find this useful in cases of: Powering your Ajax applications with keyboard short-cuts such as Ctrl+x, Alt+y, Shift+z, etc.