Solidworks have announced DraftSight for Linux is available in a Beta release.
DraftSight is a free 2D CAD AutoCAD clone product by Dassault Systemes for CAD professionals, students and educators, based on the ARES platform from Graebert, that allows them to create, edit and view DWG files.
This release completes the DraftSight trilogy for Windows, Mac and Linux.
Download at DraftSight.com