<Rigging
rapidSDK

rapidSDK
braverabbit.gumroad.com
free
Smart Bones (auto action constraints)

Smart Bones (auto action constraints)
github.com
free
Automatic Driver Generator

Automatic Driver Generator
superhivemarket.com
paid
DriverRig: Shape Keys to Bones

DriverRig: Shape Keys to Bones
superhivemarket.com
paid
Cntrl

Cntrl
superhivemarket.com
paid
Easy Driver

Easy Driver
extensions.blender.org
free
Auto Wrinkle Map

Auto Wrinkle Map
extensions.blender.org
free
Driver Helper

Driver Helper
extensions.blender.org
free
“Drivers” (addon)

“Drivers” (addon)
superhivemarket.com
paid
Action Constraint Builder - Set Driven Key

Action Constraint Builder - Set Driven Key
superhivemarket.com
paid
Action Poser (Action Constraints) 

Action Poser (Action Constraints)
www.arminhalac.com
free