E-Prints - EPrints supports research papers, theses, teaching materials, arts and more.
Invenio - Invenio is a free, open-source software to run a digital library or document repository on the web.
Ambra - Ambra is an innovative Open Source platform for publishing Open Access research articles.
Greenstone Digital Library - Greenstone is a suite of software tools for building and distributing digital library collections...
Pretalx - Office & Productivity
Koha - Koha is the first free and open source software library automation package (ILS).