Padlet - Visual boards for organizing anything.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Popplet - Popplet is the simplest application to capture and organize your idea.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Quizalize - Quizalize is a leading web-based and mobile-based classroom application that delivers the best and easiest way to differentiates your teaching.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.