Something to keep an eye on over the coming weeks is BiblioClub's decision to leave Wikia. It's by no means a large wiki, but the resulting fallout is worth paying attention to.
A couple of days ago a bunch of content was deleted and since the 22nd March the main page has looked like this:
The official announcement was made on their blog on the 23rd March.
Will the redundant Wikia be kept open or, due to its relatively small size, deleted? We shall see. Good luck, Biblioclub, we wish you a pain-free future away from Wikia.