SightMill: Innovative customer experience platform that helps you get feedback from your customers. SightMill lets you quickly and easily setup Net Promoter Score surveys via email, on your website, by SMS and at events.
KeySurvey - KeySurvey provides survey and questionnaire tools.
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.
Zonka Feedback - Top feedback app designed to collect customer feedback on iPad & Android tablets, Online Surveys on Website, Mobile, Email & SMS. Track NPS & Other Metrics.
Histats - Start tracking your visitors in 1 minute!
SurveyNuts - Easy & beautiful survey maker.
AFSAnalytics - AFSAnalytics.