ELIB.ES is a digital library, repository, and archive dedicated to preserving and sharing scientific and literary works by Spanish and international authors. Built around free participation, the platform allows people to register, publish their work, and explore a growing collection of texts and media. Its audience includes scientists, teachers, students, writers, researchers, archivists, publishers, and other readers.

Members can contribute articles, research and reviews, books, fiction, poetry, personal journal entries, photographs, documents, biographies, and audio, as well as create polls and collections. Files can be submitted in formats including PDF, DOC, RAR, and ZIP. The library features new publications across a range of subjects, with content appearing in multiple languages.

ELIB.ES also shares information about publications with partner libraries, social networks, and search engines worldwide. The platform says it supports copyright protection, helps authors connect with potential partners and investors, and can increase scholarly citation visibility. Through its publishing and preservation services, ELIB.ES aims to safeguard cultural and intellectual heritage while making works accessible to readers around the world.