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Dear list, Today I found out about JOSS, the Journal of Open Source Software ( https://joss.theoj.org/ ), an interesting journal in itself, which has a stunning "Cost and sustainability model" webpage section: https://joss.theoj.org/about#costs For more stunning details, go read their more detailed blog post, "Cost models for running an online open journal" : ) http://blog.joss.theoj.org/2019/06/cost-models-for-running-an-online-open-journal (Meanwhile in ACM land, we are still waiting for basic financial transparency on paper publishing costs -- not that, say, ETAPS or JFP are doing any better. LIPIcs describes how they calculated their publishing costs at https://www.dagstuhl.de/en/publications/lipics/processing-charge/ , and LMCS ( https://lmcs.episciences.org/ ) is now using a publicly-funded OA publishing platform, so they may actually have no costs at all.) Cheers
