Three-Dimensional Finite Element Mesh Generator

Gmsh is a 3D finite element grid generator with a build-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities.

2D & 3D Graphing

Grapher is the only graphing program you will ever need. Create powerful stunning graphs quickly and efficiently. Ideal for scientists, engineers, and business professionals.

DWG-based Collaborative Design Platform

GstarCAD is well-known alternative CAD software of high compatibility with ACAD.

Professional Architectural Design

GstarCAD Architecture is built-in architectural custom objects for creating agile construction drawings through comprehensive tools.

General Purpose 2D/3D DWG CAD for Mac

iCADMac is a 2D/3D CAD application for the MAC OS X using DWG and DXF native formats, representing a powerful, reliable, complete, easy to use and economic software.

Open Source personal CAD application

LibreCAD is a free Open Source personal CAD application for Windows, Macintosh and Linux.

DWG/DXF Compatible 2D/3D CAD

progeCAD is the low-cost CAD alternative which reliably edits DWG files from most versions of AutoCAD. progeCAD also uses toolbars, icons and commands similar to those used in Autodesk AutoCAD and AutoCAD LT.

2D & 3D Architectural Design and Modeling

ProgeCAD Architecture is a 3D & 2D Architectural software using DWG as its native file format.

Open Source CAD System

QCAD is an application for computer aided drafting in two dimensions (2d).

BIM tools for architectural design, MEP, and structural engineering

Autodesk Revit is building information modeling software for architects, structural engineers, MEP engineers, designers and contractors.

General 3D Analysis / Design

RISA-3D is an accurate tool for creating 3D models of buildings and other beam structures.

Simple Computer Aided Railway Modeller

SCARM means Simple Computer Aided Railway Modeller, a free software for simplified design of scaled railway layouts and creation of railroad model track plans.

3D modeling for Architectural, Interior Design and Civil Engineering

SketchUp Pro is the most intuitive way to design, document and communicate your ideas in 3D.

Contouring & Surface Mapping

Golden Softwares Surfer software is a full-function 3D visualization, contouring and surface modeling package that runs under Microsoft Windows.

Advanced 2D/3D CAD

TurboCAD Professional 2019 is for experienced 2D/3D CAD users already familiar with AutoCAD or AutoCAD LT looking for a powerful alternative.

Home & Landscape Design

TurboFloorPlan Home & Landscape Pro is a powerful, professional home and landscape design solution.

3D Well Data and Modeling

Create powerful, fast, customized 3D images of your data with Voxler 2.

Simple CAD Program

ZCAD is simple CAD program with dxf2000 file format support.

3D CAD/CAM Design

ZWCAD+ is cost-effective, DWG file format compatible CAD solution which provides innovative, collaborative and customizable features for both the AEC and MCAD industries.