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.
Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
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.
Tracxn - data on companies