OpenBiblio is an easy to use, automated library system written in PHP containing OPAC, circulation, cataloging, and staff administration functionality.
Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.
The Net::Z3950 module provides a Perl interface to the Z39.50 information retrieval protocol (aka. ISO 23950), a mature and powerful protocol used in application domains as diverse as bibliographic information, geo-spatial mapping, museums and other cultural heritage information, and structured vocabulary navigation.
This is a basic substitute for expensive library software. It will require you to manually enter all the titles, authors, and ISBN-13s into a database at first, but after that maintenance is easy.
LibraryFind is an open source metasearch application developed by librarians for libraries, built with Ruby on Rails.
Some Current Features:
libxess is a collection of server-side proxies that provide a Marc-XML/REST based interface to the records and holdings of legacy catalogs such as Innopac/III Millennium.
libxess consists of a web service API and a set of implementations.
The web services API is based on unAPI.
Librarian DB is a simple Web based library management system that keeps track of the books in a library. It tracks book title, ISBN, categories, etc... It permits adding/deleting/updating/searching. It is extremely flexible and extendible.
Masterkey: Drupal (MkDru) is an open source module for the Drupal CMS that embeds a fully themable metasearch interface. It can perform queries against one or more Z39.50, SRU/SRW and SOLR targets via Pazpar2, our likewise open search daemon. More sophisticated target management and other functionality can be obtained through integration with the MasterKey platform.
Metaproxy is a proxy front end server that presents a single Z39.50/SRW/SRU front end to multiple back end database servers. It can also work in conjunction with Index Data's library of gateways to access non-standard database servers.