Kompyte - Track & analyze competitors in real time.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
BuiltWith - Find out the technology behind websites
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Skuuudle - Discover, match and monitor your eCommerce competitors.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.