SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
WordLift - WordLift is an artificial intelligence-based search engine optimization tool that helps you to attract more traffic to your website and generate a large amount of revenue.
Lumar - (Previously DeepCrawl) Hosted SEO spider to analyze and find problems with websites.
Searchmetrics Suite - SEO Software
Website Checker Tech - WebsiteChecker.Tech is SaaS tool that detects SEO and availability issues of your website, making it easier for you to fix them.
Boomerank - Boomerank is a complete software solution that provides you with various tools for website optimization and helps you to attract more traffic.