Stretchy Bendy Bones - One Click Setup

Claybox - Easy Sculpt Blocking

Circular Array - Bone

"Chefs"

Spin-Wobble Rig

Blender - Offset Keyframes | Animbox Addon

Blender - Offset Bone Keyframes | Animbox Addon

Mesh to Bone

Smooth Bone / Smooth Empty

Progressive Walk-Run Setup - Rigify Animbox Addon

Animal Animation Presets - Dog (Addon)

F-Curve Cycle / Noise Modifier to Multiple Objects