This page is several years old and does not usefully describe the current version of Kettle. Consult its own README in its repository for up to date information at https://github.com/fluid-project/kettle
There are several primary development metaphors in Kettle such as Servers and Apps. Servers represents a single instance of the Node.js HTTP server. A Server is a container for 0 or more Apps (see further). Developers have an option of deploying a number of Servers that themselves contain 0 or more Apps. The source code for the Server can be found here: Server. The App is a component that represents a single purpose application deployed within a particular Server. The source code for the App can be found here: App.
As part of the GPII and FLOE Projects, Kettle will be used to develop RESTful server-side data feeds and markup transformers for storing and sharing content accessibility information, user preferences, and captions.
As part of this work, Kettle will be:
Kettle currently depends on the following frameworks and libraries: