MySitemapGenerator is a set of web apps to helps you with SEO, digital marketing, online sales, and web publishing.
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
XML-Sitemaps.com - Free Online Google Sitemap Generator.
A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.
Site Visualizer Professional - Crawl website, visualize pages and links, analyze the structure of a website, build SEO reports with SQL
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.
Web-Site-Map.com - XML Sitemap Generator - Free online XML / Google Sitemap Generator. Easy to use, no need to sign-up. Good for big sites.