KOHA is an international open-source system designed for libraries management, and developed through a giant community of users, libraries, experts, and programmers. Additionally, it is compatible with any library size.
OpenKM is a Free/Libre document management system that provides a web interface for managing nonspecific files. OpenKM includes a content repository, Lucene indexing, and jBPM workflow. The OpenKM system was developed using open technology (Java, Tomcat, Lucene, Hibernate, Spring).