SEO Review Tools is a free SEO tool platform founded in 2013 and headquartered in the Netherlands, offering 82 real-time SEO and AI tools with over 180,000 members and an average rating of 9.3/10.
SEOMator is a Czech SEO audit platform founded in 2011, integrating 23 tools that check 21 issues per page, with white-label reports and AI rank tracking starting at $49/month.
Majestic is a backlink analysis specialist founded in the United Kingdom in 2004, with a Fresh Index covering 61.68 billion+ unique URLs. It pioneered Trust Flow / Citation Flow metrics, with LITE plans from $49.99/month for backlink audits and link building research.