With an account on elekk.xyz you'll be able to follow people on any Mastodon server and beyond.

Public registrations are closed to cut down on spam. If you'd like to join Elekk, you can ask any current member, or contact the admin by email, noelle DOT d DOT anthony AT gmail.com, for an invitation code! (Tell them to go into Preferences and look for "Invite people" on the left-hand side.)