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Everything is open-sourced, and we've tried to document as much as possible to make it easy for people to host their own instances! Alternatively, you can just create arbitrarily many drafts without publishing any of them. https://github.com/pubpub/pubpub
Running my own instance is a bit heavy just to try the platform :). But thanks for the tips, I can create draft and delete them without trashing your instance. The fact that it is open source is a major positive point. I suppose you have heard of SJS [1] which in a way is very close to what PubPub is, except I do not believe in SJS because of it being closed source: it is way too unsafe for a scientific community to…
Yup. I'm still stung by Mendeley's sale to Elsevier.