Site44 - Site44 turns Dropbox folders into websites.
Payara Server - Payara Server is a fully supported, developer-friendly, open source application server. Innovative, cloud-native, optimized for production deployments. Jakarta EE & MicroProfile compatible.
GitHub Pages - A free, static web host for open-source projects on GitHub
JBoss - JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server.
Webflow - Build dynamic, responsive websites in your browser. Launch with a click. Or export your squeaky-clean code to host wherever you'd like. Discover the professional website builder made for designers.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies