Inochi Creator

Open source rigging tool for Inochi2D models

PolyRig

Advanced Rigging & Mesh Plugin for Godot

Unreal Engine Vehicle Rigging Addon for Blender

ColourSwitch

a MEL script for colouring curves

Bone Mapper 3D rigging tool

Maya Rigging Control Generator

A single use pyMEL script to generate curve controls for your rig

SteerOverlay

Display your elite car control to the world with an interactive wheel on screen.

VTwiNK VTS

Twitch Integrated Name (K)Constructor

Khalibloo Panel

BoneTrimmer

This blender plugin Removes unused bones

Maxscript: Biped Constraint

A simple maxscript used to constrain a biped rig to the 3ds max biped for easy animation.

GPLyrRigToolBox (Grease Pencil Layer Rigging Addon)

speed up your grease pencil layer rigging workflow!

Fix teh ctrls (Maya script)

Facilitate controler creation for rigging in Maya

[Unity] UModeler X

Model, Rig, and Paint in Unity.