Google Charts - Interactive charts for browsers and mobile devices.
WordItOut - WordItOut is the word cloud generator that gives you control with many custom settings.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
WordCram - WordCram lets you generate word clouds in Processing. Simple, flexible, open-source. https://t.co/cf7HzbFD
ZoomCharts - Creating meaningful and aesthetically pleasing data visualizations and incorporating them into your projects is easy with the tools offered by ZoomCharts.
WordClouds.com - A free online word cloud generator and tag cloud creator. Paste text, upload a document or open an URL to automatically generate a word- or tag cloud. Customize your cloud with shapes, themes, colors and fonts.