Monitor Backlinks - Easy Link Management - SEO Tool for automatically checking your backlinks.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Topvisor - All in one SEO and PPC tools for better marketing.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Botify - Traffic Managers, SEO Managers, Webmasters:Crawl your site to extract all of its metadata and identify areas for improvement
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.