mastodon.opportunis.me is one of the many independent Mastodon servers you can use to participate in the fediverse.
An instance for people speaking English or French. It works on the principle of cooptation: if you know someone who is already registered, they can invite you.

Server stats:

32
active users

Zorume :heart_pansexual:zorume
NeeaNeea
Lou Madeleine Cerise 🧁kouett
Alex@rtnVFRmedia Suffolk UKvfrmedia
Stereo, goofy doggoStereoscopic
SylvhemSylvhem