Google Charts - Interactive charts for browsers and mobile devices.
Open Peeps - A hand-drawn illustration library.
ZingChart - ZingChart is a fast, modern, powerful JavaScript charting library for building animated, interactive charts and graphs. Bring on the big data!
Control Illustrations - 108 free flat illustrations with customizable characters
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
Craftwork - A collection of User Interface resources made by Craftwork