LibreCAD is a free Computer-aided design (CAD) application for 2D design. It works on Linux, OS X, Unix and Windows operating systems. Developed by Ries van Twisk
License: Open Source
nanoCAD is a proprietary software that offers advanced CAD features and high compatibility with popular file formats, making it suitable for professional users. In contrast, LibreCAD is a free, open-source solution focused primarily on 2D design, appealing to hobbyists and those with basic drafting needs.