This add-on simplifies the process of setting up Follow Path constraints and adds 2 new animable properties to the object.
Distance and Tilt which are accessible in Dope Sheet and Graph Editors.

Add new segments to Path keeping your current animation.

"Pick Path" mode

"Sketch" mode

"New" mode

Changelog:

v. 1.0.8
- Show Axes option changed to standard Display Axes property of Object as  it caused errors in Blender v 4.0

v. 1.0.7
- Depreciated GPL module code changed to GPU 

v. 1.0.6
- "Sketch" mode updated for Blender v. 3.2 

v. 1.0.5
- added "Sketch"  mode for sketching initial curve
- possibility to choose curve type between Bezier or NURBS Path in "New" mode
- some improvements for displaying gizmo

Enjoy, and feel free to contact me with any question or suggestion!