EMAN (Manuscript and Digital Archive Publishing) is a digital publishing platform for the dissemination and exploitation of modern manuscripts and archival holdings. It supports the management of a digital publishing project as soon as a document is online, including metadata production, data relationships, transcription, publication and data value enhancement, etc. It includes many functionalities based on the Omeka software and complies with the open formats of the web. Its objective is to be a truly multiple purpose publishing tool for corpus dissemination projects in the humanities. Our article describes the methodology used to build this tool in a situation where few examples were available to draw on. keywords Corpus, digital publishing, genetic editing, project management, OMEKA