AutoCADlike

AutoCADlike is a term used to describe computer-aided design (CAD) software products whose design, functionality, and user experience closely resemble Autodesk's AutoCAD. These tools are intended for 2D drafting and annotation, with some offering 3D modeling, rendering, and BIM-related features. A central characteristic is DWG compatibility or high interoperability with DWG files, enabling users to open, edit, and save projects originally created in AutoCAD.

In addition, many AutoCADlike programs provide a command-line or command-focused workflow, support for blocks and libraries, layers, external references, dynamic blocks, and automated tasks through scripting or APIs such as AutoLISP-like languages or .NET/Python interfaces. The term is descriptive rather than a formal standard; products vary in the degree of compatibility, feature parity, and pricing.

The ecosystem includes several notable products marketed as AutoCAD-like, such as BricsCAD, IntelliCAD-based suites, DraftSight, and ZWCAD, among others. Some are built around a native DWG-based format with compatibility layers that aim to preserve AutoCAD workflows, while others emphasize cross-platform availability or licensing flexibility.

Users choose AutoCADlike tools for reasons including lower cost, vendor independence, or specific features not present in AutoCAD. Limitations and considerations include potential differences in API availability, scripting compatibility, and fidelity of drawing data when exchanging files with AutoCAD. Organizations migrating from AutoCAD often assess tolerance for minor feature gaps and the long-term roadmap of the alternative to minimize disruption.