Facify
Curve-based Eye/Mouth Autorigger
Wire deformer to drive multiple joints with few controls
Controls angled to follow joint direction/face curvature
Automatic blendshape setup for blink controls
GitHub
Vimeo
Splinify
Squash-and-Stretch + Spline IK Autorigger
Automatic setup of volume-preserving squash & stretch
Automatic cluster controls setup, with scalable spline length
Option to automate joint chain setup or use existing joints
GitHub
Bendify
Bendy Bone Autorigger
Automatic setup of up to 20 sub-joints
Quadratic weight distribution across parent constraints
Automatic setup of curveInfo and multiplyDivide nodes
GitHub
Kinematify
IK/FK Blend System Autorigger
Automatic creation of IK and FK joint chains
FK controls created with correctly oriented group nodes
Setup of "IK" attribute for IK/FK blending from 0 to 1
GitHub