How about GUN ?
Its a graph database, using only key-value's (so you need to rethink a lot of structures coming from a database / using lists all the time, been there too 😄)
But once your data works within a key-value-way, the real fun begins, gun is a decentralized database, so depending on a gun peer, you'll have data synced in real-time.
One of the biggest examples would be a reddit clone notabug.io/ this is fully created on gun and yeah amazing work :)
Thanks for the suggestion! I seemed to have a look at it some time ago (had it starred already on github), but I don't really recall why I dismissed it. Will have another look!
EDIT: I remember now. Gun seems aim at more dynamic use cases than a single user database. I asked about this on their gitter chat. If there is a good way it, I definitely give it a go.
EDIT2: Actually this looks super interesting and the community seems to be great. I'll keep you updated!
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