QML files for QGIS
Mainly for Ordnance Survey vector datasets including MasterMap, VectorMap Local and District, Meridian and Strategi. For datasets held in Oracle and PostGIS and loaded by Snowflake's GoLoader. Field names will differ to those datasets loaded using Astun Technology's Loader! software.
Some useful links from people who know...
http://gis.stackexchange.com/questions/76954/using-os-mastermap-slds-in-qgis
http://gis.stackexchange.com/questions/69854/styling-os-vectormap-local-in-qgis
More QGIS styles can be found on the QGIS UK user group github page: https://github.com/QGIS-UK/Styles