progeCAD Smart - progeCAD Smart! Free version of progeCAD, the IntelliCAD alternative to AutoCAD
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
DraftSight - Discover Dassault Systèmes®' DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
DeltaCAD - Powerful, easy to learn 2D CAD (Computer Aided Design) program designed to meet all of your CAD...
QCAD - QCAD is an application for computer aided drafting in 2D.
nanoCAD - nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability.