Cambridge University Press has announced a new open access portal for hosting pre-prints, research discussions, conference proceedings and similar material before publication. The site usses the same technology as the Cambridge Core service for materials published by Cambridge. Registration and access will be free. The first organization to particpate is the American Political Science Association, which will begin on August 29. New partner sites and opportunities to submit material to the parent platform will go live in 2020.
You can learn more on their FAQs page at http://www.cambridge.org/engage/contact-information?show=faqs
Thanks for H-HistBibl for passing this announcement on.