LibreCAD is a free, open source 2D computer-aided design (CAD) application for creating and editing technical drawings such as floor plans, diagrams, mechanical parts, and schematics. It is feature-rich and user-friendly, providing an intuitive graphical interface for easy vector drawing and editing. LibreCAD offers powerful drawing tools, including a variety of line types, shapes, and symbols. It also supports a wide range of file formats, including DWG, DXF, SVG, WMF, and more. With its advanced layer and layout management features, LibreCAD makes it easy to create complex drawings and maintain a consistent look and feel throughout a project.
It is mainly for 3D modeling, while LibreCAD is a 2D tool.