a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
A math-inspired CAD program in haskell. CSG, bevels, and shells
Open Source Solid Modeling CAD
Cross-platform Open-source 2D CAD
Model Railway CAD program
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
An interactive viewer for three-dimensional chemical structures.
A Cross Platform and Open Source Electronics Design Automation Suite
Static and Dynamic Structural Analysis of 2D and 3D frames.
Free and open source pattern design software
Draw vector graphics to scale using a descriptive language
Open-Source Multiphysics FEA (FEM) Package
A Full PLM system based on odoo
Simple Road Design and Earthworks
Open source 3D software based on opencascade(CAD)
LibrePLM integrates CAD editors in Odoo / LibrERP
Draw curves, colored 2D maps with CAD capabilities