BuiltWith - Find out the technology behind websites

Perkuto - Perkuto is a marketing agency offering marketing services.

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

Skaled - Shaping the future of the modern sales organization.

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

Codezero - Collaborative Local Microservices Development