Synthesio - Synthesio is a social intelligence tool or a marketing software that is specially made for the purpose of social media monitoring and social analytics.
BuiltWith - Find out the technology behind websites
TitanMLM - TitanMLM is a modern multi-level marketing management software that allows businesses to manage their operations from a single platform.
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
LeadsRX - LeadsRX is a marketing attribution software that gives marketers insights into which advertising campaigns result in conversions.
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.