CDS Invenio:

CDS Invenio (formerly CDSware), the integrated digital library system, is a suite of applications which provides the framework and tools for building and managing an autonomous digital library server. The software is readily available to anyone, as it is free software, licensed under the GNU General Public Licence (GPL). The technology offered by the software covers all aspects of digital library management. It complies with the Open Archives Initiative metadata harvesting protocol (OAI-PMH) and uses MARC 21 as its underlying bibliographic standard. Its flexibility and performance make it a comprehensive solution for the management of document repositories of moderate to large size.

Developer: CDS-Invenio is a web based integrated digital library system developed by CERN. CDS Invenio is maintained by, and used at, the CERN Document Server.Know More...

Eprint:

EPrints repository collects preserves and disseminates in digital format the research output created by a research community. It enables the community to deposit their preprints; post prints and other scholarly publications using a web interface, and organizes these publications for easy retrieval. It is the world's first, most widely used, and by far the most functional of all the available OA IR software’s.

Developer: EPrints is free software developed by the “University of Southampton, England.Know More...

Greenstone:

Greenstone is a suite of software for building and distributing digital library collections. It provides a new way of organizing information and publishing it on the Internet or on CD-ROM. It is open-source, multilingual software, issued under the terms of the GNU General Public License. The aim of the Greenstone software is to empower users, particularly in universities, libraries, and other public service institutions, to build their own digital libraries.

Developer: Greenstone is produced by the New Zealand Digital Library Project at the University of Waikato, and developed and distributed in cooperation with UNESCO and the Human Info NGO. Know More...

Dspace:

DSpace open source software is a turnkey repository application used by more than 1000+ organizations and institutions worldwide to provide durable access to digital resources. DSpace is the software of choice for academic non-profit and commercial organizations building open digital repositories. It is free and easy to install "out of the box" and completely customize able to fit the needs of any organization.

DSpace preserves and enables easy and open access to all types of digital content including text, images, moving images, mpeg and data sets.and with an ever growing community of developers committed to continuously expanding and improving the software each DSpace installation benefits from the next.Know More...