Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
RabbitMQ - RabbitMQ is an open source message broker software.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Azure Logic Apps - Discover the leading Integration Platform as a Service (iPaaS) that enables key enterprise scenarios for developers to build powerful integration solutions quickly.
Google Cloud Functions - A serverless platform for building event-based microservices.