Addons
Bartender4 - actionbars
BigDebuffs - shows the debuffs to the right of enemy nameplates
Plater - enemy nameplates
ShadowedUnitFrames - my health bar, enemy health bar. focus bar
WeakAuras - the vast majority of my dynamic ui, and my castbar. Can !wa in twitch chat or find the link in my youtube videos descriptions
Details - dmg meter
idTip - to show spell ids when hovering over something
Leatrix Plus - auto repair, faster looting, skip cutscenes lots of stuff
LS: Glass - you can't see it, but it makes my chat frame transparent
MythicPlusTimer - my mythic plus timer
OPie - the ring I use to change specs/use toys
TrufiGCD - the action tracker I use