ADIGRES is a powerful cross-platform Document Management System written in Java. It can be used to archive various document formats such as HTML, PDF, e-mail, plain-text or images. A user management module and a full-text search engine are included.
This project is based on Contineo (http://contineo.sourceforge.net) and aims to be a document management system built with Spring Framework and Hibernate among other frameworks
ZK KnowledgeTree is a web based Document Management System based on ZK framework, make your documents management more easy&safe&stable, the architecture supports plugins, platform is tomcat+mysql, easy to deploy.
Paper Harbour is a multi-user document management system. It provides professional management of project, product and company documentation. It is format independent, flexible, provides version and change control, and is designed for non-technical users
edocs is a complete enterprise document management system written in JAVA. It's intended scope is to handle the document lifecycle from the beginning to it's publication.
Saeed is a web-based document management system written in Java. It employs miscellaneous Java-related technologies, like JDBC, servlets, JSP, EJB. Scheme is used as the scripting and templates description language.
DocForger is a document management system allowing teams to work on documentation with one common source. Some of the features are versioning, permissions, and publishing. DocForger is written entirely in Java and is therefore platform independent.