Site Audit by Ahrefs - Cloud based website analysis for 100+ SEO issues
Monaeo Personal - Prevent & win residency audits
SEOtooList - Find the best SEO tool for the right job (community curated)
Easter Eggs by HoverSignal - Boost engagement & SEO with hidden presents on your website
ContentKing - The world's only Real-time SEO Auditing and Content Change Tracking suite.
OnCrawl - OnCrawl is a SEO crawler and log analyzer that helps you improve your SEO performance. Increase traffic, rankings & revenues. Start your 14-day free trial.