ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
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.
Forms On Fire - Forms On Fire provides a complete, customizable mobile forms and workflow system that is reliable and secure, works offline or online.
FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey
ProcessMaker - ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.
SightMill - 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.