Perl

Perl Usage Statistics · Download List of All Websites using Perl

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

GoDaddy DNS

GoDaddy DNS Usage Statistics · Download List of All Websites using GoDaddy DNS

DNS services provided by GoDaddy.

Google Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.

Business Email Hosting

SPF

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.

Amazon

Amazon Usage Statistics · Download List of All Websites using Amazon

This site is hosted on Amazon AWS EC2 Infrastructure.

Cloud Hosting · Cloud PaaS

LetsEncrypt

LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt

Let’s Encrypt is a free open Certificate Authority.

Root Authority

CentOS

CentOS Usage Statistics · Download List of All Websites using CentOS

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.

Fedora

Fedora Usage Statistics · Download List of All Websites using Fedora

Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project.

OpenSSL

OpenSSL Usage Statistics · Download List of All Websites using OpenSSL

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.

mod_perl

mod_perl Usage Statistics · Download List of All Websites using mod_perl

Embeds a Perl interpreter into the Apache server.

Apache

Apache Usage Statistics · Download List of All Websites using Apache

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