cosocial.ca is one of the many independent Mastodon servers you can use to participate in the fediverse.
A co-op run social media server for all Canadians. More info at https://blog.cosocial.ca

Server stats:

141
active users

Evan Prodromou

@steve @deadsuperhero

I wouldn't call it "unmaintained." I just gave examples of how it's maintained on a weekly basis.

There is a lively process both inside and outside the W3C for maintaining and growing the protocol.

Official standards don't change often. That's what makes them reliable.