The DnnDevelopers Injections Module allows you to inject various items into the HTML markup of a DotNetNuke web page. This content could be client-side scripts and SCRIPT tags, HTML comments, and CSS files or Styles.
Smart Downloads allows you to display a list of downloadable documents, along with an image and description on your website with an optional summary/random setting that links to the full version elsewhere on the site.
Charting Module offering an easy way of adding interactive charts to your DNN sites. Designed with mobile browsers in mind, everything from multitouch zooming to touch-friendly tooltips responds great on mobile platforms.