SEO Analyzer By Neil Patel - A free SEO analyzer for your site
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Serpstat Website SEO Checker - Check your website's SEO, analyze competitors and keywords
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.