You might not be old enough to remember webrings. If you do, great! If you don't, great! Now's your chance to learn some history that might be making a tiny bit of a comeback.
Anyhoo.
I stumbled on an accessibility-focussed webring that might interest some people here.
[The] webring is focused on people.
[It] is not interested in listing accessibility companies and professional organizations.
[...]
It provides a way for people to discover and learn from each other following the fracturing of Twitter.