From design to 3D print

A free toolchain for hobby and prototype parts: model, fix the mesh, then slice.

FreeCAD

3D & parametric CAD

Open-source parametric 3D modeller for real-life objects

Stars
★ 34.5k
Licence
LGPL-2.1+
Updated
  • Commercial OK
  • STEP
  • STL

Alternative to SolidWorks, Fusion 360

Blender

Mesh & visualisation

Free and open-source 3D creation suite

Stars
★ 21k
Licence
GPL-2.0+
Updated
  • Commercial OK
  • STL

Alternative to 3ds Max, Rhino

O

OrcaSlicer

3D printing & CAM

Open-source slicer with built-in printer calibration tools

Stars
★ 16k
Licence
AGPL-3.0
Updated
  • Commercial OK

Alternative to Simplify3D

OpenSCAD

Code CAD

The programmers' solid 3D CAD modeller

Stars
★ 10.5k
Licence
GPL-2.0
Updated
  • Commercial OK
  • STL
  • 3MF

Alternative to Fusion 360

PrusaSlicer

3D printing & CAM

Feature-rich open-source slicer for FFF and resin printers

Stars
★ 9.4k
Licence
AGPL-3.0
Updated
  • Commercial OK

Alternative to Simplify3D

UltiMaker Cura

3D printing & CAM

Popular open-source 3D-printing slicer

Stars
★ 7.1k
Licence
LGPL-3.0
Updated
  • Commercial OK

Alternative to Simplify3D

MeshLab

Mesh & visualisation

Open-source system for processing and editing 3D meshes

Stars
★ 5.9k
Licence
GPL-3.0
Updated
  • Commercial OK

Alternative to Geomagic Design X

S

SolveSpace

3D & parametric CAD

Lightweight parametric 2D/3D CAD with a constraint solver

Stars
★ 4.2k
Licence
GPL-3.0
Updated
  • Commercial OK
  • DXF
  • STEP

Alternative to SolidWorks, Fusion 360

More collections

AI CAD tools4 tools

AI tools that generate or assist with CAD models. Most are paid, with free tiers or trials.

Best free SolidWorks alternatives5 tools

Every tool we list as an alternative to SolidWorks, open source and free proprietary.

Free AutoCAD alternatives for 2D drafting2 tools

Open-source 2D drafting tools that work with DXF drawings.

CAD tools for Mac23 tools

Tools in this directory with a native macOS version.

CAD in the browser8 tools

Tools you can use from a web browser without installing anything.