Addons used in screenshot:
ElvUI
ElvUI Shadow & Light
AddOnSkins
ProjectAzilroka
WeakAuras 2
Details!
AddOnSkins
OmniCC
SharedMedia
Masque
Masque: Raeli
Masque: FlatSquares
BigWigs
LittleWigs
Plater
ExRT/MRT
Advanced Interface Options
OPie