Just found out about Starwind, a Star Wars themed total conversion for Morrowind that can be played using the FOSS OpenMW engine (i.e. it can be played natively on Linux).

I haven’t tried it myself, but I watched this video about it: https://www.youtube.com/watch?v=Qo-NO61jcX8

It can be downloaded from nexusmods for those who want to try it out on OpenMW: https://www.nexusmods.com/morrowind/mods/48909