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.

eMarketer - eMarketer is an independent market research company that provides insights and trends related to digital marketing, media and commerce.

AFSAnalytics - AFSAnalytics.

CB Insights - CB Insights is a company database for the venture capital and corporate development community.

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.

Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.