Content Management System

TYPO3TYPO3

TYPO3 Usage Statistics · Download List of All Websites using TYPO3

TYPO3 Content Management Framework for enterprise purposes on the web and in intranets written in PHP.

Community CMS · Enterprise · Open Source

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.

Operating Systems and Servers

UbuntuUbuntu

Ubuntu Usage Statistics · Download List of All Websites using Ubuntu

Ubuntu is a free, Debian derived Linux-based operating system, available with both community and professional support.

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.