Monoscape is an open source Platform as a Service (PaaS) cloud solution. It has a complete software stack for deploying and managing applications in the cloud with automatic load balancing, auto-scaling and monitoring features.
Platform as a Service
Platform as a service (PaaS) is a category of cloud computing services that provides a computing platform and a solution stack as a service. Along with software as a service (SaaS) and infrastructure as a service (IaaS), it is a service model of cloud computing. - Wikipedia