ChilloutVR is a free game launched as a direct competitor to VRChat, with much of the same features and more. It is a Massively-Multiplayer Virtual World Platform with instanced lobbies, full-body tracking support, and an active userbase.
Unfortunately, at time of writing, it has a smaller community (despite VRChat's recent move to EAC) and a smaller team.
- VRC to CVR - Moving your avatar to CVR from VRChat
- Converting VRC BlendTrees to ChilloutVR
- Converting VRC Parameters to ChilloutVR