SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
SEOmator - SEO website analysis & audit tool
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
Pro Rank Tracker - Rank tracking & reporting software solution
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
Lumar - (Previously DeepCrawl) Hosted SEO spider to analyze and find problems with websites.