Amdatu is an open source community effort to create rapid application development platform and runtime for open, service oriented and cloud aware web applications. Amdatu is build on Java, leverages the OSGi service model to create a modular platform that facilitates distributed composite applications with advanced generic capabilities such as scale-out, provisioning and multi-tenancy without introducing an invasive or complex development model. In addition Amdatu aims to deliver a comprehensive set of ready to use application frameworks and foundation services that can be used as required, allowing application developers to focus on their business logic instead infrastructural concerns.