DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
TiddlyWiki - a non-linear personal web notebook
nginx - A high performance free open source web server powering busiest sites on the Internet.
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
vCenter Server - IaaS platform for managing and deploying virtual machines