SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Searchmetrics - Searchmetrics Suite for enterprise companies provides SEO marketing and analytics, SEO optimization, social and content marketing.
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
MegaIndex - Use MegaIndex to identify your inbound link profile and boost your linkbuilding strategy. View social activity, research backlinks, identify competitors, and analyze anchor text.