A CAD application for creating virtual LEGO models
Link branch FreeCAD
Cross-platform Open-source 2D CAD
a parametric 3D CAD modeler
A Cross Platform and Open Source Electronics Design Automation Suite
Open-Source Multiphysics FEA (FEM) Package
Free and open source pattern design software
Static and Dynamic Structural Analysis of 2D and 3D frames.
A Full PLM system based on odoo
Software for electromagnetic simulation
A Windows-based viewer currently supporting CDR & 2D DXF files
LibrePLM integrates CAD editors in Odoo / LibrERP
Solve Alignment of Road , Rail,Tunnel
3D/2D Concrete Reinforcement in Bentley MicroStation
Simple Road Design and Earthworks
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Open source 3D software based on opencascade(CAD)
converts between IGES file and text file
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
BoltGenerator is an automated CAD tool which produces 3D bolts.
A canvas library for generating technical drawings
Free CAD software
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
Demonstrates a quadtree for spatial indexing of triangles