SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
SEOmator - SEO website analysis & audit tool
Cheateo - Create your own bots!
SEOquake - SEOquake provides a browser extension to conduct on-page SEO audit.
ScrapeBox - ScrapeBox the Ultimate Link Harvester, Mass Wordpress and Movable Type Blog Comment Poster Complete with PR Storm Mode and Bulk Pagerank Checker.