LibreCAD (originally QCad then CADuntu) is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework. LibreCAD can read DWG files (and others) as of the latest Nightly build. It writes DXF files, but can also export SVG, JPG, PNG, PDF and other files.
- librecad is 2D whereas freecad is 3D
- The major difference is that LibreCAD is 2D while FreeCAD is 3D
- LibreCAD is 2D, FreeCAD is 3D parametric modeler