arXiv est une archive ouverte de prépublications électroniques d'articles scientifiques dans les domaines de la physique, des mathématiques, de l'informatique, de la biologie quantitative,......
arXiv is a free distribution service and an open-access archive for 2,271,903 scholarly articles in the fields of physics, mathematics, computer science, ...
DSpace is a digital service that collects, preserves, and distributes digital material. Repositories are important tools for preserving an organization's legacy; they facilitate digital preservation and scholarly communication.