BuiltWith - Find out the technology behind websites
eClinicalWorks - eClinicalWorks - the largest Cloud EHR in the nation. Make the switch to eClinicalWorks
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
HealtheCare - Population Health Management
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.
HealtheIntent - Cerner HealtheIntent is a cloud-based, programmable population health management platform that enables health care systems to aggregate and reconcile data.