VoXide v0.1.11 is GPL-2.0-or-later software. Its upstream credits state that all shipped assets are CC0 1.0, from the OpenGameArt 16×16 block texture set, Kenney packs, exact Freesound works, and original procedural art. No Mojang assets, code or data are used.
The PSoXide emulator is GPL-2.0-or-later. The portal wrapper is MIT licensed. No Sony BIOS or commercial disc image is included.