DualCAD is described as 'Microstation DGN alternative - opens a V8 file, V7, a raster CIT file and a hybrid raster file of the moon. Runs completely standalone, does not use or require Microstation or OpenDesign to be installed on the client machine' and is an app. There are five alternatives to DualCAD for a variety of platforms, including Windows, Linux, Web-based, Mac and BSD apps. The best DualCAD alternative is LibreCAD, which is both free and Open Source. Other great apps like DualCAD are MicroStation, Piglet Drawing Editor, NttCAD and Dock Designer.
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.
Want to focus your time and energy on developing designs to build a better world? MicroStation easily models, drafts, maps, renders and documents your projects.
2-D engineering drawing editor that supports hierarchical object description. It is inspired by Hewlett-Packard's proprietary HP PIGLET (Personal Interactive Graphic Layout EdiTor), which later became the commercial Graffy editor by DURST CAD.
NttCAD: free, simple 2D/3D CAD software, multi-platform (works on Windows, Mac, linux...). Programmable in Java language. Small program size and fast download. Saves in autocad dxf, svg and NttCAD formats.
Customized to the specific building rules of dock building companies, Dock Designer enables visual design in 2D where you can see your dock design in 3D and have instant access to accurate estimates, parts lists, blueprints, and much more.
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