Gumroad – Absolute Snap is an add-on for Blender that features effortless Copy and Paste in World space. Children Of constraint animations can easily be done in absolute snaps. It has great snapping and constraint tools and, in addition, provides great control of transformations of objects and bones.

Nik Bartlett – Absolute Snap Features

• Copy And Paste World Space: Store a bone’s or object’s world matrices and easily apply them to other items.
• Snap Selection To Active: Enable selection by snapping multiple selections to the active object instantly.
• Relative Transform Copying: Save and apply the positional relationships of selected items.
• Constraint Animation Tools: Toggle and key Child Of constraints without changing the location.
• Batch Constraint Control: Enable or disable multiple constraints simultaneously or set keyframes on them.
• Forward/Backward Pasting: Use simulated constraints with frame-by-frame transformations.

Preview Gumroad – Absolute Snap

Image 1: Copy and paste world space transforms with precision.

Image 2: Easily animate and manage Child Of constraints without breaking position.