ZWCAD is a powerful AutoCAD Alternative for 2D and 3D CAD software with native DWG format. ZWCAD offers the closest Autocad user experience that assures you of unrivaled compatibility with Autocad® & Windows® including Windows 7.
DWG Format Support
ZWCAD's native file format is DWG, so it can open, edit, and save any existing DWG file generated by AutoCAD® from version 2.5 to 2011 without conversion or data loss. Click Compare with Autocad for feature-by-feature comparison.

More CAD Format Support
ZWCAD 2011 can open and save drawings in the following formats:
DXF, DWF, and DWT
In addition, ZWCAD can export drawings in the following raster and vector formats:
BMP, WMF, SVG, DWF, EPS, PDF, and SAT
IDS/IGES Support
Third-party add-on applications - such as one from Sycode - can import IGS/IGES in ZWCAD after loading them into ZWCAD. Please see Applications section for details.
OLE
Insert linked or embedded objects into the current drawing to take full advantage of information from other applications. You can insert movies, spreadsheets, formatted documents, and more.
Commands and Aliases
ZWCAD's commands and aliases are also compatible with Autocad. ZWCAD can export and import MNU, MNS, and PGP files that define menus, toolbars, and aliases customized in Autocad.
Compatible Resource Files
All resource files used by mainstream CAD platforms can be used with ZWCAD. This includes Windows TTF and Autocad SHX font files, linetype (.lin) files, hatch pattern (.pat) files, slide (.sld) files, and unit (.unt) files.
Third-Party Apps Add Power to Already Powerful ZWCAD
ZWCAD Developer Network (ZDN) actively engages independednt third-party software developers to integrate add-on apps from multitude of CAD disciplines such as Mechanical, Electrical, Plant (including Piping and HVAC), Architecture, GIS, Civil, and Surveying. For a complete list of third-party apps that add power to already powerful ZWCAD, please visit our Applications section. Some those applications can be purchased "bundled" with ZWCAD at substantial discounts. Please visit our Bundled-Apps section for more details
Friendly User Interface - Closest Autocad User Experience
No more complicated 100+ page long transition guides!
ZWCAD has seamless Microsoft Windows integration. It arranges menus, toolbars, command line, drawing area, properties palette, and dialog boxes in a style that conforms to the expectations of users. This lets Autocad-experienced users to become productive with ZWCAD quickly - usually in less than a day - without the need for complicated 100+ page long transition guides.

Friendly User Interface
Support for Windows Operating Systems
ZWCAD works with Windows XP, Windows 2003, Windows Vista, and Windows 7 (32-bit and 64-bit).
System Requirements
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Operating System
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Microsoft Windows XPMicrosoft Windows 2003
Microsoft Windows Vista
Microsoft Windows 7
And More
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Processor
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Pentium III 800 MHz or higher
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RAM
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512MB or more
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Video
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1024 x 768 VGA with True Color (minimum)
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Hard Disk
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350MB free disk space
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Pointing Device
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Mouse, trackball, or other pointing device
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CD-ROM or DVD Drive
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Required for installation only; not required if installed by downloading ZWCAD
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