FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
Netpeak Spider - A desktop tool for fast and comprehensive technical audit of the entire website.
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...
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.
WebsiteChecker - Sends you alerts when your website goes down.