I keep feeling frustrated as valuable knowledge for my different hobbies over the last years became siloed away in corporate social media. I believe wikis could be a way out, but can we have decentralized, federated wiki software that can kind of talk among each other?
Self hosting at home is out of the question. I use an antenna to suck enough internet out of the air for daily needs in my remote valley. So I have started a small wiki farm on my webspace (is that indeed the same a tech person calls a VPN?)