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!
DemandSphere - DemandSphere is an advanced-level software that helps marketers to create the best digital appearances of their brands.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Boomerank - Boomerank is a complete software solution that provides you with various tools for website optimization and helps you to attract more traffic.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Searchmetrics Suite - SEO Software