MegaCAD 2D/3D is described as 'MegaCAD 3D is the ideal synthesis of an innovative solid and surface modeling system and a full-feature 2D drafting program' and is an app in the Photos & Graphics category. There are more than 50 alternatives to MegaCAD 2D/3D for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. The best alternative is FreeCAD, which is both free and Open Source. Other great apps like MegaCAD 2D/3D are SketchUp (Freemium), LibreCAD (Free, Open Source), Autodesk AutoCAD (Paid) and SOLIDWORKS (Paid).
ArchiCAD offers computer aided solutions for handling all common aspects of aesthetics and engineering during the whole design process of the built environment — buildings, interiors, urban areas, etc.
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability. It is totally free, for business, professional, or personal purposes. It is fast, lightweight, capable, and , unlike most free CAD programs, completely uncrippled. nanoCAD includes:
GstarCAD is well-known alternative CAD software of high compatibility with ACAD. With 27 years of continuous improvement and innovation, today GstarCAD is far ahead in performance, stability and becomes leading CAD software in the world.
ZWCAD software, as a highly reliable and powerful CAD tool, meets the needs of 2D/3D design & drafting industry, including architecture, engineering, construction (AEC), mechanics, electronics...and anyone who creates CAD drawings.
IronCAD is the productivity leader when it comes to moving creative ideas into full 3D reality by utilising a breakthrough Creative Design approach that delivers a level of design freedom unmatched in the industry today where users are able to edit their design at any stage.
CMS IntelliCAD® is a full-featured Compatible CAD Software. CMS IntelliCAD also offers a full suite of 2D and 3D AutoCAD® software compatible drawing tools! It is the smartest choice for anyone who creates or communicates using CAD drawings.