Apache Forrest is a web-publishing framework based on Apache Cocoon

Apache Cocoon

Apache Cocoon, usually just called Cocoon, is a web application framework built around the concepts of pipeline, separation of concerns and component-based web development. The framework focuses on XML and XSLT publishing and is built using the Java programming language...

. It is an XML publishing framework that allows multiple types of data-files as input, such as various popular word processing and spreadsheet files, as well as two wiki dialects. Plugins are available to support additional formats, both for input as well as output (such as PDF).

Forrest is not a content management system (CMS)

Content management system

A content management system is a system providing a collection of procedures used to manage work flow in a collaborative environment. These procedures can be manual or computer-based...

, as it lacks the full workflow and admin functions of a CMS. Its primary use is in integrating and aggregating content from various sources and presenting them in a unified format for human consumption.