Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Glassfish - GlassFish v3, built by the GlassFish community, is the first compatible implementation of the Java...
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
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.
Google Cloud Functions - A serverless platform for building event-based microservices.