easy create a skeleton quickly.(be like 3dsMax)
easy move bone to influence parent bone.
(be like 3dsMax)
easy use IkHiSolver to control connected bones
easy use IkLimbSolver to control bones be like limb.
(be like 3dsMax)
easy use IkSplineSolver to create a spline animation with skinned mesh.(be like 3dsMax )
easy modify bone data to influence bone weights of vertices.(be like 3dsMax )
easy scale eye by PivotBone
easy use the snapshot window to manage pose reocords.
easy reload back for animations.
Bone Weights Table easy adjust or monitor bone weights of vertices.
Export datas are simplest, performance issues just look at unity guide.