Attentive - A marketing channel, built for retail & e‑commerce
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Lowdown - Lowdown unleashes the valuable content locked within Slack and emails it to your members so they don't miss key information.
BuiltWith - Find out the technology behind websites
Wordcab - Automagically summarize live meetings and recordings
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.