Atrium_design is a project mainly written in PHP, it's free.
Open Atrium feature for web design screenshots
PLEASE NOTE - THIS FEATURE IS IN ITS EARLY STAGES - DON'T USE ON PRODUCTION SITES!!!
PROJECT HOME PAGE https://github.com/gavriguy/Atrium-Design
INTRO The Atrium Design Feature was build to help site builders/designers that use Open Atrium as a way to communicate with their clients, to be able to mange their designs repository inside OA.
MAIN FEATURE
TODO
KNOWN ISSUES
https://github.com/gavriguy/Atrium-Design/issues