CloudHub is a Platform as a Service (PaaS) that allows users to integrate SaaS applications, cloud services, and enterprise applications in real-time. It is built on Mule, the most widely used integration platform, and provides a scalable architecture that can be used to build integration applications. CloudHub also allows users to manage applications in the cloud as well as servers located on-premises. It offers predefined connectors to popular services, an API for automation, and management of applications from an intuitive console.