The present work describes the adaptation to Portuguese of the Open Journal Systems (OJS), a software applied to the administration of the editorial process of electronic journals, developed by the Public Knowledge Project (PKP), of the University of British Columbia, Canada. The customization resulted in the ELECTRONIC JOURNAL PUBLISHING SYSTEM (SEER), which has become part of the Brazilian Digital Library (BDB) project of the Instituto Brasileiro de Informação em Ciência e Tecnologia (IBICT/MCT). One of IBICT’s main goals to develop systems based on the Open Archives Initiative, promoting free, democratic, and open access to cientific and tecnological production in Brazil.