Yoast - Yoast offers plugins to improve SEO and optimize web sites and blogs.
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Jackmail - A newsletter plugin for Wordpress.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Wordfence - Comprehensive security plugin for WordPress.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996