OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
nginx - A high performance free open source web server powering busiest sites on the Internet.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.
vCenter Server - IaaS platform for managing and deploying virtual machines