
Onshape
Blender
Sculptris
meshmixer
FreeCAD
SketchUp
ShapeShop
Sketchfab
kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
Onshape
kdiff3Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Sculptris - Sculptris: Enter a world of digital art without barriers.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
meshmixer - meshmixer is an experimental 3D modeling tool for making 3D mashups without too much hassle.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.