Free library and information science software

open source integrated library system (ILS)

VuFind is an open-source library search engine that allows users to search and browse beyond the resources of a traditional Online public access catalog (OPAC). Developed by Villanova University, version 1.0 was released in July 2010 after two years in beta.

OpenBiblio is an open source Integrated Library System. The software is popular with small and rural libraries worldwide due to its simplicity, extensive language support, and good documentation.