Slick Plan is a web based tool that enables you to create visually pleasing sitemaps and flowchart designs for free. It’s a handy tool for web developers and designers who need to create navigation flowcharts for their clients. Upon creating an account, Slick Plan enables you to organize and save your sitemaps for future reference.

The designs generated can be sent directly via an HTML link or exported as a PDF document. It also provides you with the HTML code for the project. You might want to check out a quick demo of how to use Slick Plan here.