DataBasic - Easy-to-use web tools for beginners
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
MetaSurvey - MetaSurvey provides light and high engagement surveys for e-commerce.
BuiltWith - Find out the technology behind websites
Survata - Survata lets you quickly survey your target audience online. We find qualified respondents to answer your survey.
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.