QCAD – 2D CAD for Windows, Linux and Mac

The open source CAD system for everyone

QCAD is a free, open-source two-dimensional (2D) computer-aided design (CAD) application. With QCAD, you can create technical drawings such as construction plans, interior plans, mechanical parts, or schematics and diagrams. QCAD runs on Windows, macOS, and Linux. The QCAD source code is released under GPL version 3 (GPLv3), a popular open-source license.

The current version of QCAD is 3.25.

QCAD Application Window QCAD was designed with modularity, extensibility, and portability in mind. But what people often notice about QCAD is its intuitive user interface. QCAD is an easy-to-use yet powerful 2D CAD system for everyone. You don't need any CAD experience to start using QCAD right away.