Clootrack - Clootrack discovers your customer perceptions real time.
AmzScope - Find profitable products for sale on Amazon in one click, relying on statistics instead of intuition
Codeit - Codeit allows users to transform their verbatim data to take from surveys into actionable information.
Jungle Scout - Amazon product research made easy.
Tellwut Market Research - Tellwut Market Research is a tool that allows users to make their survey and research forms to gain insights on the market.
AMZScout - AMZScout extension will help you make a decision about picking a niche based on the actual data, not intuition.