WordCloud.pro!

Wordle is a toy for generating “word clouds” from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to the Wordle gallery to share with your friends.

WordCram lets you generate word clouds in Processing. It does the heavy lifting -- text analysis, collision detection -- for you, so you can focus on making your word clouds as beautiful, as revealing, or as silly as you like.

Tagxedo lets you create beautiful tag clouds online, totally for free. Turn famous quotes, speeches, news articles and slogans into stunning clouds of artistically arranged words of various sizes to highlight word frequencies. Tagxedo accepts text input from websites, twitter feeds, news, searches and RSS feeds.

WordItOut is the word cloud generator that gives you control with many custom settings. Free to use and no sign up required!

Tagul is a web service that enables you to create beautiful looking tag clouds and embed it on your web page

Create your own tag cloud from any text to visualize word frequency.TagCrowd is a web application for visualizing word frequencies in any user-supplied text by creating what is popularly known as a tag cloud or text cloud.