Frameworks

PHPPHP

PHP Usage Statistics · Download List of All Websites using PHP

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Content Management System

PleskPlesk

Plesk Usage Statistics · Download List of All Websites using Plesk

Parallels Plesk SiteBuilder is a scalable web application designed to create and manage websites.

Verified Link

Plans and PricingPlans and Pricing

Plans and Pricing Usage Statistics · Download List of All Websites using Plans and Pricing

The website contains a link to a "Plans" or "Pricing" page - useful for finding SaaS tools.

Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

Operating Systems and Servers

Parallels Plesk PanelParallels Plesk Panel

Parallels Plesk Panel Usage Statistics · Download List of All Websites using Parallels Plesk Panel

Host and manage websites and servers at any scale, includes virtualization software.