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

Jona Christopher Sahnwaldtjcsahnwaldt
KyleZoxive
Andreas Heilaheil
Benjamin Schröterirgendwienet
Dag Brattlidbrattli
Ropomanropoman
Robert Pickeringrobertpi