VisualSitemaps - Autogenerate visual sitemaps in seconds.
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
Codrops Blueprints - Free website concepts ready to implement or modify
A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.
Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.
XML-Sitemaps.com - Free Online Google Sitemap Generator.