What are some alternatives?
When comparing Rarchy and VisualSitemaps, you can also consider the following products
FlowMapp - UX planning tool for creating a visual sitemap
SlickPlan - Slickplan is a suite of tools for planning any website project.
Sitemod - Modify any website in real-time. Share it with the world.
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
Zen Flowchart - The simplest tool to create flowcharts
PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.