An EnergyPlus shell for parametric studies and more ...
FEATool Multiphysics is an easy to use FEA and CFD Simulation Toolbox
Convert any image to gerber and drill files
Beginner-friendly CAD software available for both web and desktop.
CAD
Static and Dynamic Structural Analysis of 2D and 3D frames.
very good CAD software
Simple Road Design and Earthworks
Draw curves, colored 2D maps with CAD capabilities
Open source Matlab code for nonlinear isogeometric analysis
Computational tool for lattice generation
RHT-LA : Applicatif Tracé Ligne Aérienne HT
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
A Windows-based viewer currently supporting CDR & 2D DXF files
Launcher for nanoCAD 5.0, automatically close welcome screen
Open source 3D software based on opencascade(CAD)
Solve Alignment of Road , Rail,Tunnel
GDSread reads and converts Calma GDS stream files .
Open Source Desktop GIS with Surveying and Cartography Functionality