LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
AutoDesk InfraWorks 360 - InfraWorks 360 preliminary engineering and design software provides tools to work on infrastructure projects in a real-world context.
DraftSight - Discover Dassault Systèmes®' DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
AllyCAD - CAD software for professional draughting, 2D and 3D design.
BricsCAD - A powerful CAD platform, with features familiar to you from native .dwg applications.
ActCAD - ActCAD is one Software for many applications covering the primary domains of – Architecture, Engineering, Construction (AEC) including Structural, Electrical, and Mechanical.