Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
seoClarity - seoClarity is a SEO platform for enterprises & agencies.
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
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.