SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Page Optimizer Pro - Page Optimizer Pro is an on-page SEO tool, allows marketers to produce flawlessly optimized pages for Google with ease.
SEOmator - SEO website analysis & audit tool
Schema App - Schema App empowers the Digital Marketer to own their schema markup strategy through to implementation without ever writing code.
Lumar - (Previously DeepCrawl) Hosted SEO spider to analyze and find problems with websites.
BacklinkSEO - BacklinkSEO is an SEO tool, which is designed to build and monitor backlinks with ease.