CORE aims to facilitate free access to content stored across Open Access repositories. As of today, CORE provides four applications:

- CORE Portal - Allows to search and navigate scientific publications aggregated from a wide range of Open Access Repositories (OARs)
- CORE Mobile - An Android application that enables you to search and download open access articles.
- CORE Plugin - A Plugin to Open Access repositories that enables them to search for related scientific publications.
- CORE API - Enables external systems and services to interact with the CORE repository.