Tiny Marbles is a Java-based content management system for articles, images, MP3 files, and videos. It enables you to interactively organize and manage content and media files in an easy and intuitive way. The system is designed to manage a large number of users as well.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.