SmartBuff is a buff addon, to cast buffs ease and quickly. All classes are supported. Bind a key (or create a macro '/sb') and it checks if you, a party/raid member, also hunter and warlock pets, ...

Obtanium is a must-have app on my Android phone. Here are the essential Android apps I install and update through it.

The muted/unmuted icons used in this extensions were taken from heroicons (github, MIT licensed) as svg, slightly modified (spacing and color) and converted to png.