Feather “Client” is basically a modded Forge and Fabric client that people are using. It was $12.50, and you would get a cloak as well as an invite so your friend could hop in for the ride, but they recently made it so you can invite whoever you want. I guess they learned from their mistakes. Feather Client Launcher (1.19.2, 1.18.2) is basically a modded Forge and Fabric client that people are using.