 Researchers need to share their findings with the research community early as a pre-print to get feedback on their ideas and approach and to claim ownership of their work. Episciences offers a solution. Episciences is a complete service for editing and publishing scientific overlay journals covering all disciplines. The Episciences journals hosted on the platform are diamond open access and adhere to the fair principles. With Episciences there are no access fees, no publication fees. How does Episciences publishing workflow work for researchers? An Episciences overlay journal incorporates a complete publishing system to manage both the editorial workflow and the publication of articles on open repositories like Archive, All, and Zenodo. Researchers submit a pre-print that an editorial board examines and forwards to reviewers. The article passes new rounds of evaluations. If accepted by the editorial board, the pre-print is deposited into an open repository and published in an Episciences journal accompanied by a DOI. Episciences helps you build a diamond open access journal for their research community. Communicate ideas and discoveries early via pre-prints. Receive community feedback in an early stage. Publish free academic-led journals. Retain rights by using creative commons licenses. Comply with open access mandates and fair principles. Link publications with data sets and software hosted on all, Zenodo, and software heritage. Episciences is a service for researchers, content providers, research performing organizations. Episciences is constantly increasing the number of available publications and expanding its offerings to a broad range of domains to thousands of users. Spread science with Episciences.