SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
SEOJet - Instantly build customized backlink plans (that actually work) for your SEO clients.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Kerboo - Kerboo is a backlink analysis software for brands and agencies.
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.
MoonSearch - MoonSearch is a free backlink monitoring tool that provides a complex link analysis and checks how many backlinks are indexed.