Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
TIBCO BusinessWorks - TIBCO BusinessWorks is a platform for developing new services and integrating applications with minimal code required.
Google Cloud Functions - A serverless platform for building event-based microservices.