Contra - Contra is an Action, Side-Scrolling, Futuristic, Run and Gun, Platformer, Co-operative, and Single-player Shooting video game created and published by Konami.

BuiltWith - Find out the technology behind websites

Cooper - A private professional network for quality intros

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

Read.CV - Mindful professional profiles

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.