mastodon.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
The original server operated by the Mastodon gGmbH non-profit

Administered by:

Server stats:

336K
active users

pixelfed

Moderation isn't an afterthought, it's a core feature of Pixelfed Groups.

In addition, group admins have fine grained access control over members and other instances and an audit log of all interactions by admins and members.