The national library of the United Kingdom. It provides world class
information services to academic, business, research and scientific
communities and offers unparalleled access to the world's largest
and most comprehensive research collection.
Developers of an open source VLE. The system has been in widespread
use on the University of Leeds campus since 1997. It currently supports
over 800 modules, and provides an extensible framework where new tools
and services can be developed and incorporated in a modular fashion.