DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...
E-Prints - EPrints supports research papers, theses, teaching materials, arts and more.
Greenstone Digital Library - Greenstone is a suite of software tools for building and distributing digital library collections...
Ambra - Ambra is an innovative Open Source platform for publishing Open Access research articles.
Invenio - Invenio is a free, open-source software to run a digital library or document repository on the web.
Pretalx - Office & Productivity