Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Workday - Workday is an on‑demand financial management and human capital management software solution.
nginx - A high performance free open source web server powering busiest sites on the Internet.
Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.
vCenter Server - IaaS platform for managing and deploying virtual machines
Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.