SimilarWeb, Semrush, HubSpot, ahrefs, Robinize, SEO PowerSuite, Linkbox, Google Search Console, SEO Buddy, Ubersuggest, Answer the Public, LinkDeploy, Site Analyzer, SEO Tools Centre, Serpstat, Anstrex, SEOptimer, Open Site Explorer, Topic Mojo, Advanced Web Ranking, GetKeywords, Clearscope, Marketing Miner, Outreach.Buzz, SEO Explorer, Wordmetrics, WebCEO, Explore Keywords, SiteCurious, Adbeat, Fraudlogix, Seosyn, RankScanner, LinkDiagnosis, Ninjaoutreach, Inkybee, Link Affinity, CircleClick are some alternatives to Surfer SEO.