When comparing 3D-Coat vs Goxel, the Slant community recommends Goxel for most people. In the question“What are the best voxel editors?” Goxel is ranked 4th while 3D-Coat is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pro A known app for retopology
3D coat is also known in the game industry to be a great app to preform retopology.
Pro Link to Photoshop, or any app that can open PSD files
You can save and open your texture work in apps like Photoshop, work on them and send them directly back to 3D coat. It will remember your layers and update.
Pro Professionals recommend 3D Coat for Handpainted textures
You can texture in many styles with this app, but when it comes to Handpainting, as seen in World of Warcraft and Torchlight, 3D Coat is the one that many professionals will advice you to as their top choice.
Pro A fast and fun way to UV
3D coat has made UVing my work go super fast and it's actually quite fun because you're finished in a breeze.
Pro Voxel sculpting
Voxel sculpting is entirely free from the bounds of polygons and topology.
Pro PBR materials
3D Coat supports the creation of your own PBR materials that are ready to be used in the PBR workflow.
Pro Open source
At least somewhat available for GNU/Linux.
Pro Supports procedural rendering
You can script a build for it to render.
Pro Supports .obj
Pro Available on Android
Pro Exports to PLY format
Pro Available in Debian/Ubuntu repository
If you don't have it installed yet, just enter "sudo apt install goxel && goxel" on the terminal, and you will be running it in a few seconds.
Pro Simple Interface
Pro Available on iOS
Works nicely with Apple Pencil.
Con Not a voxel program
This is a paid texture program. Why is it in this list?
Con Voxel sculpting hits your system
Voxel is quite heavy on your computer, if you intent to use this as your main model and sculpt app do enough research to see if your computer can handle it and if you have the right graphic card for it. If you really have doubts , just go ask in the forums.
Con 7 layer restriction in the affordable version
The cheapest version available only lets you paint on 7 layers, which is very unfortunate.