Koha is a free and open source integrated library system (ILS) for managing library collections, cataloging, circulation, patrons, and online public access.

586 stars300 forksGPL-3.0last commit Actively maintained
Polaris ILS (Innovative) is a cloud-based integrated library system for public and consortial libraries, offering circulation, cataloging, acquisitions, discovery, patron account management, holdings management and staff workflow tools in one platform.
Koha is a free and open source integrated library system (ILS) for managing library collections, cataloging, circulation, patrons, and online public access.

586 stars300 forksGPL-3.0last commit Actively maintained
A scalable open-source integrated library system (ILS) for cataloging, circulation, acquisitions, patron management and consortial workflows with web and OPAC interfaces.

157 stars113 forksGPL-2.0last commit Actively maintained
Open-source library management system for library networks with cataloging, circulation, and a public online catalog.

87 stars30 forksAGPL-3.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 3 shipped a commit in the last six months. Licences in this list: GPL-3.0, GPL-2.0, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
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