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Free and open-source software, sorted by craft, with the paid apps each one replaces. Every listing is reviewed by a person before it goes live.

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Video editing
Photo & image
3D & CAD
Audio & music
Design & vector
Animation & VFX
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opensourciety.xyz · Screenshots are credited on each tool page.

Categories/3D & CAD

3D & CAD

8 free tools for 3d & cad, 7 of them fully open source. Every one reviewed, with its licence and the paid apps it replaces.

PlatformSort

8 tools

34kGitHub stars
FreeCAD
Parametric 3D CAD modeller for product design
Open sourceLGPL-2.1-or-later
21kGitHub stars
Blender
3D creation suite for modelling, animation and VFX
Open sourceGPL-3.0-or-later
10kGitHub stars
OpenSCAD
Script-based solid 3D CAD modeller
Open sourceGPL-2.0-or-later
9.4kGitHub stars
PrusaSlicer
Slicer that turns 3D models into printer G-code
Open sourceAGPL-3.0-only
6.5kGitHub stars
LibreCAD
2D CAD drafting application with DXF and DWG support
Open sourceGPL-2.0-only
5.9kGitHub stars
MeshLab
Processing and editing of 3D triangular meshes
Open sourceGPL-3.0-or-later
3kGitHub stars
KiCad
Electronics design suite for schematics and PCBs
Open sourceGPL-3.0-or-later
Unreal Engine
Real-time 3D engine for games, film and visualisation
Free tier