DSpace (http://dspace.org) enables the creation of simple open access repositories at organizations all over the world. Globally it is the most widely used open source repository software (http://registry.duraspace.org/registry/dspace) for institutional and open access repositories.
DSpace preserves and enables easy and open access to all types of digital content including text, images, moving images, mpegs and data sets. An easy to use application, DSpace has many features and tools for managing digital content and enabling digital preservation. DSpace stores any type of content and offers built-in workflows for content submission and review. Organizations can easily make their digital collections available on the Web using DSpace's customizable end user interfaces along with many community-developed features and utilities.
DSpace is the software of choice for academic, non-profit, and commercial organizations building open access digital repositories (http://www.dspace.org/latest-release). It is free and easy to install "out of the box" and completely customizable to fit the needs of any organization. And with an ever-growing community of developers, committed to continuously expanding and improving the software, each DSpace installation benefits the next.
Open Knowledge Repository (OKR), The World Bank
The Open Knowledge Repository is the home for all of the World Bank’s research outputs and knowledge products. The Repository contains works (more than 2,100 books and papers) across a wide range of topics and all regions of the world. This includes the World Development Report, and other annual flagship publications, academic books, practitioner volumes, and the Bank’s publicly disclosed country studies and analytical reports. The repository also contains journal articles from the two World Bank journals WBRO and WBER, technical papers, economic and sector work studies, and multilingual content.
Repositorio Academico UPC, Universidad Peruana de Ciencias Aplicadas
The Peruvian University of Applied Sciences is a private and independent educational institution, opened in 1994, whose aim is to educate, carry out research and promote knowledge, culture and development in Peru. UPC’s repository contains over 2,500 subjects and includes staff, undergraduate and graduate output. It provides a single point of access for academic papers produced by faculty and students and provides increased visibility globally to the scholarly content produced at UPC.
Related link: http://upc.edu.pe/