GitHub - LokiTheCuteBear/RetopoView: A small Blender addon that enables drawing colourful overlays over meshes for user-defined face groups - for marking topology flow during retopology/studying topology.
Awesome Blender Addons for Retopology | Blender Cloud Rendering
RetopoFlow 3 - Retopology Toolkit for Blender - Blender Market
SpeedRetopo
Quick and Easy retopology with SpeedRetopo addon - Blender 3.4. - YouTube
8 awesome Blender Addons for Retopology - InspirationTuts
Best Auto Retopology tool ever? - Blender and CG Discussions - Blender Artists Community