Oracle Data Quality - Overview of Oracle Enterprise Data Quality
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
BuiltWith - Find out the technology behind websites
WinPure Clean & Match - WinPure Clean & Match is the worlds best data cleansing & data matching software for sophisticated matching, cleansing and deduplication.
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.