Note that I won't be listing down any mods that just change a vanilla companion's appearance just the ones that add actual new companions. That being said, here are some companion mods I'm using for my playthrough.
It has all the essential functions of several other mods, and even adds its own take on settlement building, outfit saving, dialogue, and yes, even a means for you to 'immersively' revive your own spouse. I'm using Amazing Follower Tweaks which is easily the best companion management/controller/overhaul mod in the game.
