
DraftSight
LibreCAD
SketchUp
FreeCAD
Autodesk AutoCAD
BricsCAD
nanoCAD
QCAD
kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
kdiff3LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
Beyond Compare - Beyond Compare allows you to compare files and folders.
SketchUp - 3D for Everyone
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
FreeCAD - An open-source parametric 3D modeler
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.