In my previous post shared some advice from Randy Krum, author of Cool Infographics, about creating infographics. In his book Randy devotes a chapter to design tools. Many of the tools used by professional designers cost hundreds or thousands of dollars. But you don't have to spend anything if you want your students to try their hands at creating a data visualization in the form of an infographic. Here are five free tools that your students can use to create infographics.