dProjects is a really simple centralized web and rsync based version control system for small groups. The clients can initiate the file movements from the web interface.
tclDBRCS is a database oriented revision control system which is fully database oriented and features full project/tag/branch support. It also supports optional encryption of file content. Can be used inside other applications as a package.
The LAW workflow system is a Java application (using JBoss and PostgreSQL) intended to provide a file / user / task management system for projects that need to manage a pipeline of processes that are performed on some type of source file. The system is