CAD Assistant

CAD Assistant

Open Cascade
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About

Open Cascade CAD Assistant is a powerful offline 3D CAD viewer and converter with simple and intuitive interface, free for both personal and commercial use. Originally developed as a testbed and showcase for the Open CASCADE Technology on mobile platforms, the solution has been appreciated as fast and handy 3D viewer by thousands of end-users on mobiles and desktops worldwide. CAD Assistant brings the power of open technologies to the hands of engineers working with 3D data. CAD Assistant is based on open source libraries (Open CASCADE Technology, Qt, FreeType, FreeImage, etc.) and employs open formats for CAD and mesh data (STEP, IFC, IGES, BREP, glTF, JT, PLY, STL, OBJ, 3DM). It also supports a set of other file formats like DXF, SAT (ACIS), XT (Parasolid). Viewing mesh models with associated data is an additional functionality included in CAD Assistant. Mesh can be read from files in PLY format.

About

DWGSee Viewer & Editor is a lightweight and high-performance CAD application designed for viewing, editing, and printing DWG, DXF, and DWF files. It allows users to browse drawings quickly and make precise modifications without the complexity of full CAD software. DWGSee Viewer & Editor supports AutoCAD file versions from R14 through the latest 2026 releases. The platform includes tools for drawing, modifying objects, adding annotations, and marking up designs. Smart measuring features enable accurate calculation of lengths, angles, areas, and radii using snap points. DWGSee Viewer & Editor also supports batch printing, drawing comparison, and file export for efficient collaboration. With its fast performance and simple interface, DWGSee Viewer & Editor helps users work with CAD drawings more efficiently.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Engineers and professionals interested in an offline 3D CAD viewer and converter solution to visualize and convert their CAD files

Audience

DWGSee Viewer & Editor is ideal for engineers, architects, designers, and CAD users who need a fast, lightweight tool to view, edit, and measure DWG files without full CAD software

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Supported

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Open Cascade
Founded: 2000
France
www.opencascade.com/products/cad-assistant/

Company Information

DWGSee
Founded: 2002
www.dwgsee.com

Alternatives

3D_Analyzer

3D_Analyzer

CoreTechnologie

Alternatives

DDS-CAD Viewer

DDS-CAD Viewer

Data Design System
Guthrie CAD Viewer

Guthrie CAD Viewer

Guthrie CAD/GIS
Bentley View

Bentley View

Bentley

Categories

3D Viewers Supported
CAD Viewers Supported

Categories

CAD Viewers Supported

CAD Viewers Features

Annotate Not Supported
Batch Conversion Not Supported
Collaboration Tools Not Supported
Editing Supported
Track Changes Not Supported
View .DWF Files Not Supported
View .DWG Files Not Supported
View .IGES Files Supported
View .STEP Files Supported
View .STL Files Supported
View 2D Files Not Supported
View 3D Files Supported

Integrations

DWGSee CAD Not Supported

Integrations

DWGSee CAD Supported
Claim CAD Assistant and update features and information
Claim CAD Assistant and update features and information
Claim DWGSee Viewer & Editor and update features and information
Claim DWGSee Viewer & Editor and update features and information