Equinox provides innovative open source software for libraries of all types.

Extraordinary service. Exceptional value.

As a 501(c)(3) nonprofit corporation, Equinox supports library automation by investing in open source software and providing technology services for libraries.

Products & Services

Koha is the first free and open source library automation package. Equinox’s team includes some of Koha’s core developers.

Evergreen is a unique and powerful open source ILS designed to support large, dispersed, and multi-tiered library networks.

Equinox provides ongoing educational opportunities through equinoxEDU, including live webinars, workshops, and online resources.

Fulfillment is an open source interlibrary loan management system. Fulfillment can be used alongside or in connection with any integrated library system.


CORAL is an open source electronic resources management system. Its interoperable modules allow libraries to streamline their management of electronic resources.

Why Choose Equinox?

  • Equinox is different from most ILS providers. As a non-profit organization, our guiding principle is to provide a transparent, open software development process, and we release all code developed to publicly available repositories.
  • Equinox is experienced with serving libraries of all types in the United States and internationally. We’ve supported and migrated libraries of all sizes, from single library sites to full statewide implementations.
  • Equinox is technically proficient, with skilled project managers, software developers, and data services staff ready to assist you. We’ve helped libraries automating for the first time and those migrating from legacy ILS systems.
  • Equinox knows libraries. More than fifty percent of our team are professional librarians with direct experience working in academic, government, public and special libraries. We understand the context and ecosystem of library software.

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Equinox ChatOpenS

Open Source Twitter Chat with Andrea Buntz Neiman #ChatOpenS

July 14, 2021 (12-1pm ET).  Join us on Twitter with the hashtag #ChatOpenS as we discuss Fulfillment with Development Project Manager, Andrea Buntz Neiman.
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Equinox EDU Spotlight

EquinoxEDU: Spotlight on Fulfillment

July 28, 2021 (1-2:00pm ET). Take ownership of your ILL software! Introducing Fulfillment: open source resource sharing for any integrated library system. Fulfillment is a modern resource sharing platform that
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Equinox EDU Spotlight

equinoxEDU: Spotlight on SubjectsPlus

June 30, 2021 (1-2pm ET). Join us to learn about SubjectsPlus, an open source content management system that provides a user-friendly interface for managing your library’s web presence. No coding
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