Desing assisted by computer


LibreCAD is a free code program to make designs in 2 dimensions. It is a development derived from the QCAD v2 code and is maintained by the free software community.

LibreCAD web page

Librecad version 2.13 for Windows

User Manual

LibreCAD practices and manual.


QCAD is a free code program up to version 2. As of version 3, the proprietary company distributes it as a paid program. It is the precursor program of LibreCAD.

QCAD website