CityReporter - CityReporter is an inspection application that works on mobile devices and contains modules to handle the different needs of building permit inspections, playground safety, etc.
BuiltWith - Find out the technology behind websites
Hunter SmartShot - Hunter SmartShot is a mugshot capture solution that provides the ability to track a subject on a live screen, framing for a mugshot each time.
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Evidence Recorder - MapScenes Systems: Software for accident and crime scene reconstruction and animation. Evidence collection and diagramming software.
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.