Z39.50 Maintenance Agency
Z39.50 Maintenance Agency at LOC. Links to resources, development & maintenance information, and implementation & use information.

ZIG Listserv
Z39.50 Interest Group

Z39.50 in Europe
List of projects from the UK Office for Library and Information Networking

Z39.50 Overview by Biblio Tech Review
Summary introduction directed mostly at library specialists

The Bath Profile: An International Z39.50 Specification for Library
A cooperative initiative to develop a standard Z39.50 profile to reduce the complexity and uncertainty faced by many who wish to facilitate searches across multiple Z39.50 targets, especially those supplied by different vendors.

ZACK
A metasearch WWW gateway for Z39.50 servers. Provides distributed searching and duplicate checking.

Index Data
Consulting/software firm specialising in information retrieval and Z39.50

Crossnet Systems ltd
UK-Based software company specialising in networked information retrieval and Z39.50

Belgian Z39.50 Implementation Group
Concerted action for the implementation of the Z39.50 protocol in Belgium.

NorZIG
Norwegian Z39.50 Implementor's Group

Texas Z39.50 Implementors Group
Details about the group, meeting minutes, and a list of Z39.50 sites in Texas.

VB ZOOM
an ActiveX DLL, written in Visual Basic which is an implementation of the ZOOM (Z39.50 Object-Orientation Model) Abstract API.

Danish Z39.50 Implementers Group
Details about this group and a list of Z39.50 targets in Denmark.

ZContent
a Perl script and module that provides a Z39.50 target for the CONTENTdm server.

Z3950.org
A list of commercial and free Z39.50 resources.

FinZIG
Home page for the Finnish Z39.50 implementers group

Z39.50 Software
A list of free and commercial Z39.50 software with short descriptions. From the Library of Congress.

Virtual Canadian Union Catalog Project
National Library of Canada