Kompyte - Track & analyze competitors in real time.
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
BuiltWith - Find out the technology behind websites
AFSAnalytics - AFSAnalytics.
Vistaar - Vistaar is an innovator of price and revenue management solutions. Vistaar’s pricing software enables companies to achieve pricing best practices through price analytics, price optimization, price list management, and deal management.
Woopra - Track your customers' web and mobile activity, forms, emails, support tickets and more, all in one place with customer analytics. Analyze and take action.