Based on the work we've done for Udini, we have created a new collaboration tool for scientific researchers called Refworks Flow. This is now live at flow.proquest.com
Working together with a team of great developers on multiple continents, we designed and created the tools to allow researchers to import their scientific references from various sources, organize, share and collaborate on them, and use them in their papers. We combine this with an easy to use interface and online annotations of the actual pdfs as well, to bring the workflow of scientific research to the web.
Refworks Flow uses the following technology stack