BuiltWith - Find out the technology behind websites

Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

SurveyJS - Simplify data collection in your JavaScript application with SurveyJS UI components. Create and style dynamic JSON-based forms using a fully integrated form builder that features a CSS theme editor and GUI for conditional rules and form branching.

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.

Matter - Create a feedback-focused culture in Slack with Matter!