I use:
Time Mod - to make the game pause when I hit escape
No Death Penalty - I still do corpse runs, but not a fan of skill loss
Farming Grid - planting goes so much faster without worrying about overcrowding
Valheim Backups - use it and it shuffles the files for you

More recently, I went mod shopping again and picked up:
Hold Attack - makes tree chopping less tedious, but always seems to throw an extra swing
Dodge on Double Tap - never could get used to right+block+direction

And yes after a few runs I went to the dark side:
Unrestricted Portals