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

Server stats:

11K
active users

Colin Gourlaycolin
MC Naveenmcnaveen
Aaron In Minnesotaaeischeid
Mike Conley (:mconley)mconley
aravindballaaravindballa