Unsatisfied with the existing libraries that allow you to build HTML with Ruby, I just launched Crafty. Crafty is different, because it gives you a set of helper modules that you can use to build HTML in any Ruby class. Consider Crafty a friendly, framework-agnostic alternative to clunky Rails helpers such as content_tag. It is also faster than most alternatives. Crafty is not a templating language, but it helps to create builder classes, similar in nature to Rails FormBuilder. Learn more.