Animation

Creating Animation and Manipulating Keyframes
animCurveEditor
animDisplay
animLayer
animView
autoKeyframe
bakeClip
bakeResults
bakeSimulation
blendTwoAttr
bufferCurve
buildBookmarkMenu
buildKeyframeMenu
character
characterMap
characterOutlineEditor
choice
clip
clipEditor
clipSchedule
clipSchedulerOutliner
copyKey
currentTime
cutKey
dopeSheetEditor
filterCurve
findKeyframe
flow
keyTangent
keyframe
keyframeOutliner
keyframeStats
listAnimatable
marker
mute
pairBlend
pasteKey
pathAnimation
play
playbackOptions
playblast
pose
retarget
rotationInterpolation
scaleKey
setDrivenKeyframe
setInfinity
setKeyPath
setKeyframe
setKeyframeBlendshapeTargetWts
simplify
snapKey
snapshot
sound

Deformation

Object Deformation
blendShape
blendShapeEditor
blendShapePanel
cluster
deformer
dropoffLocator
lattice
nonLinear
percent
reorderDeformers
sculpt
softMod
substituteGeometry
wire
wrinkle

Skinning

Skinning
bindSkin
boneLattice
copyFlexor
copySkinWeights
dagPose
flexor
jointLattice
skinCluster
skinPercent
substituteGeometry

Constraints

Constraints
aimConstraint
geometryConstraint
normalConstraint
orientConstraint
parentConstraint
pointConstraint
scaleConstraint
tangentConstraint

IK

Joints, Handles, and Skeletons
characterize
connectJoint
disconnectJoint
effector
ikHandle
ikHandleDisplayScale
ikSolver
ikSystem
ikSystemInfo
ikfkDisplayMethod
insertJoint
joint
jointCluster
jointDisplayScale
mirrorJoint
poleVectorConstraint
removeJoint
reroot

MoCap

Motion Capture
applyTake
defineDataServer
defineVirtualDevice
enableDevice
filter
movIn
movOut
readTake
recordDevice
writeTake