QCad is a 2D computer-aided drafting software that can be used to create technical drawings like building plans, mechanical parts, or diagrams. It was originally developed from code from another CAD program called CAM Expert. QCad uses the AutoCAD DXF file format and has tools for layers, blocks, fonts, units, printing, and modifying drawing entities. The source code for QCad Community is released under the GPL license, making it open source software.

15. Main Application Window

16. License 1. Copyright Copyright 1999-2006 by RibbonSoft, Andrew Mustun. Published 2006 Switzerland Release: July 2006 2. The GNU General Public License The source code of the QCad Community edition for Linux, other Unix or X11 Systems and Mac OS X is released under the terms of the GNU General Public License (GPL), Version 2. QCad Professional and all QCad versions for Windows are proprietary software. See http://www.ribbonsoft.com for details. Trademarks Intel is a registered trademark and Pentium and Pentium Pro are trademarks of Intel Corp. Linux is a registered trademark of Linus Torvalds. TrueType is a registered trademark of Apple Computer, Inc. Microsoft, and MS are registered trademarks and Windows is a trademark of Microsoft Corp.