There is an ocean of scripts and plugins, but what tools can I name as essential for my work?

Tier 1

Add Parented Nulls to Selected Layer

AutoCrop

EaseCopy

Kbar

Motion Tools

Tier 2

Create Nulls From Paths EXTENDED

Bodymovin

MoCode

Deep Glow

Pseudo Effects Maker

Rift

Sortie

True Comp Duplicator

Useful

BaoBoa

Connect Layers

Create Proxies