Some Linux apps get cracked. The most recent that I've found which are mentioned in your post are the following: Autodesk.Arnold.MtoA.v5.4.5.0.for.Maya.2023-2025.Linux.x64-BONDYE Autodesk.Arnold.KtoA.v4.3.4.1.for.Katana.4.5-7.0.Linux.x64-BONDYE Autodesk.Arnold.HtoA.v6.3.4.1.for.Houdni.19.5-20.5.Linux.x64-BONDYE Autodesk.Arnold.C4DtoA.v4.7.7.1.for.Cinema.4D.2023-2025.Linux.x64-BONDYE Autodesk.Arnold.v7.3.4.1.Incl.SDK.Linux.x64-BONDYE Autodesk.Maya.v2025.Linux.x64-BTCRiSO
Obviously I won't give links but I imagine you can find them on IRC etc. Couldn't find Boris FX or Maxon releases.