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.
CodeAnalogies - Visual explanations of web development topics
Histats - Start tracking your visitors in 1 minute!
The Data Visualisation Catalogue - Reference tool for data visualisation
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.
Flourish - Powerful, beautiful, easy data visualisation