TESTED BY ME - Not saying other mods aren't compatible, but I know for a fact that these are.
All Official DLC - Minus the High-Res packs
All Unofficial Patches - Minus the High-Res packs
SkyUI
iHUD
KhajiitSpeak
Thieves Guild Requirements
Requiem - The Roleplaying Overhaul
Alternate Start - Live Another Life

TESTED BY OTHERS - None added here yet, but if there are any popular/related mods you have used with it, let me know and I'll start this list.