See also:

• Computers: Software: Information Retrieval  (102)
• Reference: Libraries: Library and Information Science: Software: Federated Searching  (27)

• 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.
• Belgian Z39.50 Implementation Group - Concerted action for the implementation of the Z39.50 protocol in Belgium.
• Crossnet Systems Ltd. - UK-Based software company specialising in networked information retrieval and Z39.50.
• FinZIG - Finnish Z39.50 implementers group.
• Index Data - Consulting / Software firm specialising in information retrieval and Z39.50.
• 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.
• Z39.50 in Europe - List of projects from the UK Office for Library and Information Networking.
• Z39.50 Maintenance Agency - Z39.50 Maintenance Agency at LOC. Links to resources, development and maintenance information, and implementation and use information.
• Z39.50 Overview by Biblio Tech Review - Summary introduction directed mostly at library specialists
• Z39.50 Software - A list of free and commercial Z39.50 software with short descriptions, from the Library of Congress.
• ZACK - A metasearch WWW gateway for Z39.50 servers. Provides distributed searching and duplicate checking.
• ZIG Mailing List at W3C. - This is the mailing list of the Z39.50 implementors group (ZIG), hosted by W3C. Was originally hosted by LOC (http://www.loc.gov/z3950/agency/zig/listserv.html).
• Z3950.org - A list of commercial and free Z39.50 resources.