Mobbo - Mobbo provides analytical insights to benchmark, compare and optimize mobile apps,
VWO On-page Surveys - On-page pop-up surveys that reveal insights from visitors.
ManyContacts - Create and install a Contact Form in minutes. Easily convert your website visitors into qualified leads. ManyContacts provides a FREE online contact form for conversion optimization.
SurveyCount - Make and distribute surveys
Jungle Scout - Amazon product research made easy.
MetaSurvey - MetaSurvey provides light and high engagement surveys for e-commerce.