Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
WSO2 Enterprise Service Bus - WSO2 ESB enables enterprises to be more agile in delivering new digital products and services, both internally as well as across digital ecosystems.
Google Cloud Functions - A serverless platform for building event-based microservices.
Software AG webMethods - Software AG’s webMethods enables you to quickly integrate systems, partners, data, devices and SaaS applications