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.

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.

VarnishVarnish

Varnish Usage Statistics · Download List of All Websites using Varnish

Varnish is a web accelerator / reverse proxy caching server.

Varnish Server

Operating Systems and Servers