Grab It
This addon is interesting in the “Dynamic Parent” category because it uses a slightly different approach. Instead of constraints, it creates duplicates of the object that needs to switch parent. Then it toggles the visibility of these objects to create the illusion of dynamic parenting.
Grab-ItGrab-It is a paid tool listed under Dynamic Parent (Rigging) in CGDive’s Blender Addon Directory. It is available from superhivemarket.com.blendermarket.com