The Flexi Bezier Tools in the Bezier Toolkit are now equipped with a comprehensive Snapping and Locking framework. This is a detailed overview of the important aspects of the new framework.
Add-on Download Location: https://github.com/Shriinivas/blender...
Script File: blenderbezierutils.py
(If you have installed any previous version of this add-on, please uninstall and restart Blender before installing the new version.)
Bezier Toolkit Video Tutorials: • Bezier Toolkit
Review of my other Add-ons and Extensions: • Add-ons & Extensions