Autodesk FBX converter
https://www.autodesk.com/developer-network/platform-technologies/fbx-converter-archives
Open and save WEBP images in Photoshop
https://github.com/webmproject/WebPShop/releases
https://developer.valvesoftware.com/wiki/Half-Life:_Alyx_Workshop_Tools/Level_Design/Hotspot_Texturing
https://pbs.twimg.com/media/EYb6c1LWAAcABwh?format=jpg&name=large https://pbs.twimg.com/media/EYXmGLwUMAAuqLd?format=jpg&name=large
Leukbaars has made a free Blender addon: https://github.com/leukbaars/DreamUV
UE4 has a tool that tries to emulate this: https://www.youtube.com/watch?v=NlufcIkJ-R0 https://www.unrealengine.com/marketplace/en-US/product/mesh-tool
http://www.cemyuksel.com/courses/conferences/siggraph2017-rethinking_texture_mapping/