SolidWorks 2D Editor is a set of FREE software tools created for current and former AutoCAD® software users who need to open, edit, create, and share 2D data more effectively with others.

SolidWorks 2D Editor™
A standalone editing tool for SolidWorks users and their colleagues, who occasionally need to create, share, and edit native 2D files. As a former AutoCAD user, you’ll find that SolidWorks 2D offers an easy-to-use, familiar interface and it allows you to maintain legacy 2D data without having to install or upgrade to the latest version of AutoCAD.
2Dviewer:
Also known as eDrawings™ software for AutoCAD users – is a free tool for viewing native 2D and DXF files, as well as native SolidWorks® software files. 2Dviewer simplifies the sharing of design concepts across multiple CAD environments and with non- CAD users.
2Dgateway:
Is the first free data translation plug-in that gives AutoCAD software users universal 2D compatibility without having to upgrade to the latest version of AutoCAD. 2Dgateway lets you open and edit any 2D file using any version of AutoCAD. It reduces the need to upgrade AutoCAD licenses just to be able to share work and collaborate with other AutoCAD users. 2Dgateway opens and saves to all versions of AutoCAD, from V14 to 2006.