Best Free CAD Software in 2026: Truly Free Tools
Free CAD doesn't mean "crippled trial" anymore. Open-source projects like FreeCAD, KiCad, LibreCAD, and Blender are now production-grade, and major vendors offer real free tiers (Tinkercad, SketchUp Free, Fusion 360 Personal, Onshape Free). Below are 26CAD, BIM, and EDA tools you can use today at zero cost — no trial, no demo-ware, no watermark on commercial output (we've filtered those out).
Want strict open-source only? See open-source CAD.
- 2.L
LTspiceFree · Windows / macOS★ 4.8/5Free SPICE simulator from Analog Devices, the de facto industry standard for analog design.
- 3.O

- 4.S
SketchUpFreemium · Windows / macOS / Web / Android / iOS★ 4.7/5The world's most intuitive 3D design tool for architecture and interiors.
- 5.DFDWG FastViewFreemium · Windows / Web / Android / iOS★ 4.6/5
Lightweight cross-platform CAD viewer & editor.
- 6.TTinkercadFree · Web / Android / iOS★ 4.6/5
Free, browser-based 3D design tool for beginners and education.
- 7.AD
Autodesk DynamoFree · Windows★ 4.5/5Visual programming for Revit and Civil 3D — automation, parametrics, and computational BIM.
- 8.DR
D5 RenderFreemium · Windows★ 4.5/5Real-time ray-traced renderer for architecture, interiors, and product visualization.
- 10.O
OpenFOAMFree · Linux / Windows / macOS★ 4.4/5Free open-source C++ CFD toolbox used widely in academia, research, and motorsport.
- 13.TC
Trimble ConnectFreemium · Web / Windows / macOS / iOS / Android★ 4.4/5Trimble's openBIM common data environment with strong Tekla and SketchUp integration.
- 14.CECAD ExchangerFreemium · Android / iOS★ 4.3/5
Mobile 3D CAD viewer and converter for multiple file formats.
- 16.EEasyEDAFreemium · Web / Windows / macOS / Linux★ 4.3/5
Free browser-based PCB design tightly integrated with JLCPCB and LCSC parts catalog.
- 19.GGloviusFreemium · Android / iOS★ 4.2/5
Mobile 3D CAD file viewer for viewing and analyzing 3D models.
- 21.CCircuitMakerFree · Windows★ 4.1/5
Free community-edition PCB design from Altium, with public-cloud project sharing.
- 24.S

Frequently asked
- What counts as "truly free" CAD software?
- Free tier with no expiry, no watermark on commercial output, and no compulsory upgrade after a trial period. We include Free, Freemium (gated paid tier), and Open Source.
- Is Fusion 360 free?
- Fusion 360 has a free Personal Use tier for non-commercial / hobbyist work. For commercial use you need the paid Standard or Premium tier.
- Best free CAD for beginners?
- Tinkercad (browser, no install) for absolute beginners. SketchUp Free or Onshape Free for slightly more capability. FreeCAD if you want parametric and open-source.
- Best free CAD for professional work?
- FreeCAD (parametric MCAD), Blender (organic / VFX / rendering), LibreCAD (2D drafting), KiCad (PCB design) are all production-grade open-source options.




