QCAD - QCAD: 2D CAD QCAD is a free, open source application for computer aided drafting (CAD) in two dimensions (2D) With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams
GitHub - qcad qcad: QCAD - The Open Source 2D CAD. QCAD is a cross . . . QCAD - The Open Source 2D CAD QCAD is a 2D CAD solution for Windows, macOS and Linux Its core is developed in C++, based on the Qt tool kit QCAD can be extended through a C++ plugin interface as well as through its very powerful and complete scripting interface (ECMAScript JavaScript)
QCad - 维基百科，自由的百科全书 QCad 是一个用于二维设计及绘图的 计算机辅助设计 （computer-aided design, CAD）软件，支持 Linux 、 Mac OS X 、 Unix 及 Microsoft Windows 操作系统。
QCAD - Download QCAD uses Qt 5, a cross-platform C++ framework You can download the source code of Qt 5 10 1 for all platforms from the link below, or obtain it from the Qt Company