The Hollow Knight wiki community is another in a long line of wiki communities choosing to leave Fandom behind. But why is that? What is it about Fandom that...
Starting up wikis is so easy nowadays that there's no excuse. I maintain a few Dokuwiki-based ones, it's my preferred engine for simple wiki stuff, but Mediawiki (the same one that powers Wikipedia) is not bad either and not really too difficult, just a bit more demanding storage-wise. Heck, you can currently fire-and-forget DW-based wikis on SDF's "one payment" access tier, even! Probably on Neocities too, haven't checked.
Starting up wikis is so easy nowadays that there's no excuse. I maintain a few Dokuwiki-based ones, it's my preferred engine for simple wiki stuff, but Mediawiki (the same one that powers Wikipedia) is not bad either and not really too difficult, just a bit more demanding storage-wise. Heck, you can currently fire-and-forget DW-based wikis on SDF's "one payment" access tier, even! Probably on Neocities too, haven't checked.