International audienceThe aim of this contribution is to review the national research project CoMeRe (Communication Médiée par les Réseaux - Networked-Mediated Communication) and, in particular, focus on the the complexity of the corpus it developed, structured, and disseminated. The CoMeRe corpus is a reference corpus for computer-mediated communication (CMC) in French comprising fourteen sub-corpora. Fourteen researchers from eight different laboratories were involved in the project and three key words guided their collaborations: variety, standards, and open access.The CoMeRe corpus is composed of a wide range of heterogeneous CMC genres (emails, text chat, SMS, Internet discussion forums, blogs, tweets, Wikipedia discussions, interactio...