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
Packly is focused on packaging design with robust 3D modeling capabilities and collaboration tools, making it ideal for businesses in packaging industries. In contrast, LibreCAD is a free, open-source 2D CAD application suitable for users needing basic drafting tools without the complexity of 3D modeling.