Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
nginx - A high performance free open source web server powering busiest sites on the Internet.
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
vCenter Server - IaaS platform for managing and deploying virtual machines
CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.