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SoftHarbor

CAD & 3D

9 apps

KiCad

KiCad Development Team

FREE

Electronics design suite for schematic capture and PCB layout, with SPICE simulation, a 3D board viewer and Gerber output.

GPL-3.0-or-laterWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DDeveloper Tools

LibreCAD

LibreCAD Team

FREE

2D CAD drafting program forked from QCAD Community Edition that works natively with DXF files and can import DWG drawings.

GPL-2.0-onlyWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DGraphics & Design

OpenSCAD

The OpenSCAD Developers

FREE

CAD modeller where a part is written as a script of solids and transforms, then rendered to STL, so designs are easy to parameterise.

GPL-2.0-or-laterWindows · macOS · Linux

Not yet verified · listed 23 Oct 2026

CAD & 3DDeveloper Tools

OrcaSlicer

SoftFever

FREE

FDM slicer grown out of Bambu Studio and PrusaSlicer, with built-in calibration tests and fine control over walls and seams.

AGPL-3.0-onlyWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DUtilities

PrusaSlicer

Prusa Research

FREE

Slicer derived from Slic3r that prepares print files for filament and resin printers of many brands, with organic supports.

AGPL-3.0-onlyWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DUtilities

FREE

Slicer with tested print profiles, hundreds of custom settings and a marketplace for plugins and materials, for many FDM printers.

LGPL-3.0-or-laterWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DUtilities

Blender

Blender Foundation

FREE

3D suite covering modelling, sculpting, animation, simulation and rendering in one application.

GPL-3.0-or-laterWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

Graphics & DesignAudio & VideoCAD & 3D

FreeCAD

The FreeCAD Team

FREE

Parametric 3D CAD modeller where models are driven by a history of editable constraints.

LGPL-2.1-or-laterWindows · macOS · Linux

No known warnings · checked 23 Oct 2026

CAD & 3DGraphics & DesignProductivity