OpenDocMan is a full featured Web-based document management system (DMS) designed to conform to ISO 17025/IEC. It features an automated installation script, custom themes, plugins, check-in/out, departmental access control, file moderation, fine grained user access control, and a great search function. Written in PHP, and utilizing MySQL for the backend, this project is useful for any company looking to keep their documentation in a centralized repository.
i-net Doqua is an Eclipse plug-in that helps documentation writers and developers to keep track of inconsistencies between style guides and the actual documentation. The system integrates into the Eclipse IDE and introduces a new perspective and several views. Since i-net Doqua uses standard JUnit testcases to check the documentation, you can trigger checks using Hudson or similar Ant based systems.