Free Alternatives: 3D & CAD

Best free CAD Software compared: FreeCAD, LibreCAD, QCAD, nanoCAD and 4 more, with free-plan limits, platforms and prices from official pages checked October 23, 2026.

Best free 3D Modeling Software compared: Blender, FreeCAD, Tinkercad, OpenSCAD and 4 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best free Home Design Software compared: Sweet Home 3D, Planner 5D, Floorplanner, RoomSketcher and 2 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best free 3D Printing Software compared: UltiMaker Cura, PrusaSlicer, OrcaSlicer, Bambu Studio and 4 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best free Game Engines compared: Godot Engine, Unity, Unreal Engine, Defold and 4 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best open-source CAD Software compared: FreeCAD, LibreCAD, QCAD, SolveSpace and 2 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Best free Architecture Software compared: FreeCAD, Bonsai BIM, Sweet Home 3D, LibreCAD and 3 more, with free-plan limits, platforms and prices from official pages checked October 23, 2026.

Best free PCB Design Software compared: KiCad, LibrePCB, EasyEDA, DipTrace and 3 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

AutoCAD alternatives: FreeCAD, LibreCAD, QCAD, nanoCAD and 1 more. Prices and licenses checked October 23, 2026.

Adobe Substance 3D Painter alternatives: Blender, ArmorPaint, Material Maker, Mari and 1 more. Prices and licenses checked October 23, 2026.

Best free Circuit Simulators compared: LTspice, Falstad Circuit Simulator (CircuitJS), ngspice, Qucs-S and 2 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best open-source Game Engines compared: Godot Engine, GDevelop, Bevy, LÖVE and 3 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Best free CNC Software compared: FreeCAD, Autodesk Fusion, Carbide Create, CAMotics and 2 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Blender alternatives: Wings 3D, Houdini, 3DCoat, Cinema 4D and 1 more. Prices and licenses checked October 23, 2026.

Autodesk Fusion alternatives: FreeCAD, Onshape, SolveSpace, OpenSCAD and 1 more. Prices and licenses checked October 25, 2026.

Best free Rendering Software compared: Blender, LuxCoreRender, Mitsuba 3, D5 Render and 2 more, with free-plan limits, platforms and prices from official pages checked October 24, 2026.

Best open-source 3D Modeling Software compared: Blender, FreeCAD, OpenSCAD, CadQuery and 3 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Tinkercad alternatives: FreeCAD, OpenSCAD, Blender, Onshape and 1 more. Prices and licenses checked October 23, 2026.

SOLIDWORKS alternatives: FreeCAD, Onshape, Autodesk Fusion, SolveSpace and 1 more. Prices and licenses checked October 23, 2026.

Best open-source 3D Printing Software compared: UltiMaker Cura, PrusaSlicer, OrcaSlicer, Bambu Studio and 4 more, with licenses, platforms and prices from official pages checked October 24, 2026.

ZBrush alternatives: Blender, Nomad Sculpt, 3DCoat, Wings 3D and 1 more. Prices and licenses checked October 23, 2026.

Unity alternatives: Godot Engine, Defold, LÖVE, Bevy and 1 more. Prices and licenses checked October 24, 2026.

Autodesk Revit alternatives: FreeCAD, Bonsai BIM, LibreCAD, SketchUp and 1 more. Prices and licenses checked October 23, 2026.

Best open-source CNC Software compared: FreeCAD, CAMotics, Universal G-code Sender, LinuxCNC and 2 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Best free Woodworking Software compared: FreeCAD, Onshape, Autodesk Fusion, SolveSpace and 3 more, with free-plan limits, platforms and prices from official pages checked October 23, 2026.

Best open-source Architecture Software compared: Bonsai BIM, FreeCAD, Sweet Home 3D, LibreCAD and 2 more, with licenses, platforms and prices from official pages checked October 23, 2026.

Best open-source Floor Plan Software compared: Sweet Home 3D, LibreCAD, QCAD, FreeCAD and 2 more, with licenses, platforms and prices from official pages checked October 23, 2026.

KiCad alternatives: EasyEDA, LibrePCB, Fritzing, DipTrace and 1 more. Prices and licenses checked October 25, 2026.

Best open-source PCB Design Software compared: KiCad, LibrePCB, Horizon EDA, Fritzing and 2 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Best open-source Circuit Simulators compared: ngspice, Xyce, Qucs-S, KiCad and 2 more, with licenses, platforms and prices from official pages checked October 24, 2026.

Spline alternatives: Blender, Tinkercad, Wings 3D, SketchUp and 1 more. Prices and licenses checked October 23, 2026.

RoomSketcher alternatives: Sweet Home 3D, Floorplanner, Planner 5D, SketchUp and 1 more. Prices and licenses checked October 23, 2026.

SketchUp alternatives for woodworking: compare FreeCAD, Onshape, SolveSpace and Autodesk Fusion on price, free limits, drawings and cut lists.

Blender has no iPad app and its port is on hold. Native alternatives Nomad Sculpt, Shapr3D, Valence 3D and ZBrush compared on price and export.

Fusion 360 alternatives for 3D printing compared on free limits, STL and 3MF export and platforms: FreeCAD, Onshape, Shapr3D, SolveSpace and OpenSCAD.

SolidWorks has no Mac version. Compare FreeCAD, Onshape, Shapr3D and SolveSpace on macOS support, price, free limits and SolidWorks file import.

Tinkercad Circuits alternatives compared: Wokwi, SimulIDE, Falstad and LTspice, with prices, platforms and which one fits Arduino code or analog accuracy.

Onshape alternatives: FreeCAD, LibreCAD, Blender, nanoCAD and 1 more. Prices and licenses checked October 23, 2026.

Free CAD software compared: FreeCAD, OpenSCAD and Blender exported STEP/STL on Linux; LibreCAD for 2D DXF—plus when SketchUp Free is enough.

Free SketchUp alternative: FreeCAD, OpenSCAD and Blender exported STEP/STL on Linux; LibreCAD 2D docs-backed—Trimble Free web plan noted, not tested.

SketchUp alternatives compared: FreeCAD, OpenSCAD and Blender tested on Linux exports, plus LibreCAD, with migration notes for SKP and DXF workflows.

SketchUp vs AutoCAD role split: conceptual push-pull 3D versus 2D/3D DWG drafting—FreeCAD/Blender tested nearby; SketchUp and AutoCAD not installed.

SketchUp vs Blender: conceptual CAD modeling versus mesh/3D suite—Blender 4.3.2 STL tested on Linux; SketchUp reviewed from Trimble plans only.