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4 repositories by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)

Language: C++
Topic: cad
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1FreeCAD / FreeCAD

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

freecad
engineering
opencascade
architecture
cad
bim
+10 more

C++LGPL-2.135K total6.3K forks

+257 stars

from 34,775 · score 5.55

2openscad / openscad

OpenSCAD - The Programmers Solid 3D CAD Modeller

3d-models
dxf-files
openscad
3d-graphics
3d-printing
c-plus-plus
+9 more

C++Other license11K total1.8K forks

+56 stars

from 10,511 · score 4.04

3LibreCAD / LibreCAD

LibreCAD is a cross-platform 2D CAD program. It can read DXF/DWG, and write DXF/DWG/PDF/SVG files. It supports point/line/circle/ellipse/parabola/hyperbola/spline primitives. The GUI is highly customizable, and has dozens of translations.

cad
qt
dxf
drawing
2d
geometry

C++Other license6.5K total1.4K forks

+30 stars

from 6,511 · score 3.43

4LibrePCB / LibrePCB

A powerful, innovative and intuitive EDA suite for everyone!

eda
electronics
pcb
schematic
qt
linux
+5 more

C++GPL-3.03K total347 forks

+3 stars

from 3,034 · score 1.39

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