Skuuudle - Discover, match and monitor your eCommerce competitors.
Linkody - Save time and money by managing your SEO linkbuilding with Linkody.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence
BuiltWith - Find out the technology behind websites
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters