LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.

Leading CAD software known for its robust 2D and 3D modeling capabilities, facilitating intricate designs in architecture, engineering, and construction across Mac, PC, and web. Features include a dynamic API for customization, cloud access, and subscription-based service for continual updates and collaborat...

DraftSight is a professional-grade, open 2D CAD product for users who want a better way to read, write and share DWG files. DraftSight is easy to use and is available for professional CAD users, students and educators to download and activate for free.*

BricsCAD the first all-in-one CAD design solution in .dwg that answers all your needs; 2D drafting, 3D modeling, mechanical design, and BIM. BricsCAD is a cost-effective, innovative, and familiar CAD solution.

QCAD is an application for computer aided drafting in 2D. With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams.

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:

Create, edit, view, and print 2D CAD drawings using the file formats: dxf, dwg, shp ;Download-Size only 3.10 MB; language: only english;

MakerSCAD is a web-based parametric 3D design software with a block-based programming language to create objects for 3D printing, animations, games and websites.

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.

Developed by ZWSOFT, which has helped 900,000 users from 90 countries create amazing things, ZWCAD is a powerful, reliable and DWG-compatible CAD solution for worldwide users. Available in 15 languages, it provides innovative, collaborative and customizable features to designers...

TurboCAD is a CAD software suite, with several different feature levels. It is a competitor to the likes of Autodesk's AutoCAD program, and is used by engineers, architects and hobbyists.

progeCAD Smart 2009 is a limited version of progeCAD . It is free for private, non-commercial use only.