Best AutoCAD / Fusion 360 Alternatives
Commercial mechanical CAD and drafting suites. Annual $2,000+ subscriptions and cloud-locked 10-editable-document limits on hobby/startup tiers drive engineers and makers to open parametric CAD.
Design · Markdown Spec
- FreeCAD — Flagship LGPL-2.0 parametric 3D CAD modeler, BIM, CAM toolpaths, and FEM solver (Score: 89.4, Free & Open Source, LGPL-2.0+)
- LibreCAD — Lightweight cross-platform 2D CAD drafting application reading native DXF & DWG (Score: 64.4, Free & Open Source, GPL-2.0)
- Onshape — Browser-native multiplayer parametric 3D CAD built by SolidWorks veterans with Git-style branching (Score: 61.1, Freemium, Proprietary (Free Open-Hardware Tier))
- Dune 3D — Modern, snappy open-source constraint-based parametric 3D CAD built on OpenCascade (Score: 54.1, Free & Open Source, GPL-3.0)
- QCAD — Precision 2D technical CAD drafting with ECMAScript automation and low-cost Pro perpetual option (Score: 48.7, Open Core, GPL-3.0)