Koha is the world's most installed library management system.
Koha is free and open source, flexible, and easy-to-use. The continuous improvement of Koha is driven by the worldwide collective experience of hundreds of software developers, thousands of librarians, and over 18,000 libraries.
Islandora is an open source digital asset management platform.
Used in libraries, archives, universities and research institutions worldwide, Islandora is smart at storing and showcasing your digital assets