As a CAD drawing viewer developed by Glodon Company Limited, CAD Reader is one of the fastest, most lightweight and powerful CAD drawing viewers.
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.
Thematic Maps & Spatial Analysis
MapViewer is an affordable mapping and spatial analysis tool that allows you to easily produce publication-quality thematic maps
Solving & Analyzing Engineering Calculations
PTC Mathcad is the industry standard software for solving, analyzing, and sharing your most vital engineering calculations.
Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors.
QuadMaker is an interactive 64-bit Windows finite element mesh generator that produces 100% quadrilateral elements (shell4) on planar and curved surfaces in 3D space.
Multifunctional Curve Fitting Application
Regression analysis is a multifunctional curve fitting application provided free of charge.
Aimed at solution of complex solids with realistic and advanced boundary condition simulations using either the integrated solver or a choice of several other well known solvers which can be run seamlessly within the program environment.
Open source software for numerical computation
Scilab is free and open source software for numerical computation providing a powerful computing environment for engineering and scientific applications.
SMath Studio is a tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.
Simulation and scientific visualisation
Ground-breaking software for simulation and scientific visualisation. Through innovative use of interactive graphics, Sysquake reveals insights into complex mathematical systems.
View and Edit BIM Models in the IFC Standard
usBIM. viewer+ gives you the possibility to view, convert and edit IFC files in a single software certified by buildingSMART International and completely free.
WinTopo is a high quality software application for converting TIF, JPG, PNG, GIF, BMP files and scanned images into useful vector files suitable for CAD, GIS and CNC applications.
Free DWG, DXF, DWF and DWT Viewer
ZWCAD Viewer is a lightweight and free software to open DWG, DXF, DWF and DWT file formats from version R12 to 2013.
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