QCAD

Free, open-source 2D CAD for technical drawings

★ Stars1.9k1,909 on GitHub
Last commit18 Oct 2026
LicenceGPL-3.0Per the project
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From GitHub, fetched 19 Oct 2026.

QCAD is a 2D CAD application for floor plans, mechanical parts and schematics, with more than 40 construction tools and a large part library. The open-source Community Edition is free; QCAD Professional adds DWG support for a one-off fee.

Free alternative to

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Open-source 2D CAD application

Stars
★ 6.5k
Licence
GPL-2.0
Updated

Alternative to AutoCAD