QCAD
2D draftingFree, open-source 2D CAD for technical drawings
- Stars
- ★ 1.9k
- Licence
- GPL-3.0
- Updated
- Commercial OK
Alternative to AutoCAD

Open-source 2D CAD application
From GitHub, fetched 19 Oct 2026.
LibreCAD is a free 2D CAD program for technical drawings, with layers, blocks, dimensions and snapping. It reads and writes DXF and can read DWG files.
Your data: LibreCAD's command-line converters turn DWG drawings into DXF (or PDF, PNG and SVG) without opening the editor: librecad dwg2dxf -o drawing.dxf drawing.dwg.
Watch out for:
Sources: github.com/LibreCAD/LibreCAD, checked 19 Oct 2026.
| Runs on | Windows, macOS, Linux |
|---|---|
| Opens | DXF DWG reading and writing are only in builds with DWG support enabled, per LibreCAD's README. |
| Saves | DXF, PDF, SVG |
| Commercial use | Allowed Open-source licence (GPL-2.0): the Open Source Definition rules out restrictions on fields of use, including business use. |
Sources: github.com/LibreCAD/LibreCAD · opensource.org/osd, checked 19 Oct 2026. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
Free, open-source 2D CAD for technical drawings
Alternative to AutoCAD