Review of Goxel powered by the Slant community.
Goxel is an open source voxel modeler.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Pro GNU/Linux
At least somewhat available for GNU/Linux.
Pro Supports .obj
Pro Available on Android
Pro Simple Interface
Pro Supports procedural rendering
You can script a build for it to render.
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 Available on iOS
Works nicely with Apple Pencil.
Cons
Con Hasn't Been Updated in over a year.
Con Missing docu/tutorials
Finding help on e.g. using materials is missing or not easy to find.