GStarICAD

GStarICAD is the geniune CAD drawing software based on IntelliCAD, which is the industry standard for low-cost CAD software. GStarICAD is the innovative alternative to AutoCAD that provides OpenDWG file compatibility, and similar command, manu,scripts and so on.So it is 99% idential to AutoCAD but with a competitive price.GStarICAD Standard offers a 30days free tryout after free download this software.