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.
ShadowAide - ShadowAide provides you with a key way to keep your finger on the pulse of your customers, using our integrated tools for capturing Net Promoter Score and customer feedback.
FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey
SatisMeter - Identify unhappy customers in your web and mobile apps, or via email, solve their issues, reduce churn and grow your business.
KeySurvey - KeySurvey provides survey and questionnaire tools.
Relationwise - Relationwise gives you the most important insights on your customers in the easiest way possible.