The EUROPAGATE Web to Z39.50 gateway software provides access to several UK/European union catalogues (among others):
An alternative interface to some catalogues is provided by CNIDR's Isite Web to Z39.50 gateway software; this version was developed by Jon Knight at Loughborough University of Technology :
The following libraries in Ireland have Web to Z39.50 gateways to their Dynix catalogues, developed using the Stanford WWW gateway software: