DSPACE: 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 customizable to fit the needs of any organization. DSpace preserves and enables easy and open access to all types of digital content.
CMS: A content management system (CMS) is a computer application that supports the creation and modification of digital content. It typically supports multiple users in a collaborative environment.
Library Portal: A library portal is defined as "a combination of software components that unify the user experience of discovering and accessing information" in contrast to a "single technology" to provide "services that support discovery, access and effective use of information."
Web based Discovery services: Web scale discovery services provide discovery and delivery services that often have the following traits: Content. These services harvest content from local and remotely hosted repositories and create a vastly comprehensive centralized index—to the article level—based on a normalized schema across content types
Digital Library Services: A digital library is a special library with a collection of digital objects that can include text, visual material, audio material, video material, stored as electronic media formats (as opposed to print, or other media. ), along with means for organizing, storing, and retrieving the files and media contained in the library collection. Digital libraries can vary immensely in size and scope, and can be maintained by individuals, organizations, or affiliated with established physical library buildings or institutions, or with academic institutions.