Monitor Backlinks - Easy Link Management - SEO Tool for automatically checking your backlinks.
Skuuudle - Discover, match and monitor your eCommerce competitors.
Topvisor - All in one SEO and PPC tools for better marketing.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Botify - Traffic Managers, SEO Managers, Webmasters:Crawl your site to extract all of its metadata and identify areas for improvement
BuiltWith - Find out the technology behind websites