WURFL stands for Wireless Universal Resource File. It is part of a FOSS community effort focused on the problem of presenting content on the wide variety of wireless devices. The WURFL itself is an XML configuration file which contains information about device capabilities and features for a variety of mobile devices. Device information is contributed by developers around the world and the WURFL is updated frequently reflecting new wireless devices coming on the market.
http://wurfl.sourceforge.net/
