Online Forums
Thank you to Luunaathh for collecting many of these!
Active
Nonhuman National Park
The Werelist
Therian Guide
Otherkin Phenomena
Draconity
Daemonforum
Inactive
Wilder Trails
The Obsidian Spire
Dragons Landing
Therian Wilderness
Dragons Valley
Drink Deeply and Dream
Dreamhart
Shadowlore
Shadow of the Fallen
Cybertroniankind
Feral Grove
Awere
Amicitia et Simultas
Calling All Angels
Casa Anima Feri
Christian Otherkin
Circle of Angels
Dead Blue Eclipse
Dragon Realms
Dragons Unites
Empreinte Alter Humaine FR
Feathers Blood
Howl of Silver Wings
Otherkin Community
Otherkin Eternal
Otherkin Fellowship
Otherkin Friends
Otherkin Hispano
Otherkin Realms
Otherkin Roleplay
Otherkin Sanctuary
Mernetwork
Plantkin
Reality of Nonhumans
Otherkin Haven
Therian Haven
Therian Forest
The Therianthropy Tree
The Two Faced Wolf
The Wildlands
Therians and Otherkin
Therian Dating
Therian Den
Therians Home
Therian Tracks
Therian Unity
Silver Pack Forum
Therian Kin Corner