Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
AnyLogic - AnyLogic has changed simulation modeling and expanded its application into complex business environments. The unmatched flexibility of multimethod modeling allows users to capture the complexity of virtually any system, at any level of detail.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
ns-3 - a discrete-event network simulator for internet systems
Google Cloud Functions - A serverless platform for building event-based microservices.
Cisco VIRL - Cisco VIRL is a next-gen network virtualization and orchestration platform that enables you to accomplish multiple tasks like creating and customizing simulated networks with third-party and Cisco objects by means of a graphical utility.