ActionPack By Christopher Lutz
The plugin 'ActionPack' contains several action commands for armatures
CharacterSwitcherOffer By Vegard Myklebust [usefulslug]
CharacterSwitcherOffer help manage heavy multiple character scenes
ExpressionAction By Simeon Nasilowski
Two Armature Actions to execute expressions with either clicking or dragging.
Static Controller Drag By Simeon Nasilowski
Allows to have Armatures that stay fixed on screen when dragging them.
Snap By Simeon Nasilowski
Snap to Object, Grid or Step are available.