Istio - Open platform to connect, manage, and secure microservices
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Traefik - Load Balancer / Reverse Proxy
nginx - A high performance free open source web server powering busiest sites on the Internet.
KrakenD - KrakenD is a pure open source API Gateway that interacts with all your different microservices providing clients a single interface. Improves response times, saves bandwidth, delivers a better user experience and saves developers time.
vCenter Server - IaaS platform for managing and deploying virtual machines