What are some alternatives?
When comparing Rarchy and PowerMapper, you can also consider the following products
FlowMapp - UX planning tool for creating a visual sitemap
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
SlickPlan - Slickplan is a suite of tools for planning any website project.
A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
VisualSitemaps - Autogenerate visual sitemaps in seconds.