Amazon CloudWatch - Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
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.
Cloudability - Cloudability lets you monitor, manage and communicate your cloud costs with one easy tool.
AFSAnalytics - AFSAnalytics.
AWS Cost Explorer - Cloud Cost 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.