Virtual Satellite
Open-Source Multiphysics FEA (FEM) Package
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Software for electromagnetic simulation
A Windows-based viewer currently supporting CDR & 2D DXF files
Editor for Zometool models
CAD Application entire developed in Python
A canvas library for generating technical drawings
Helps with the Mach3 CNC Threading functionality
OpenNum lets you distribute solvers with a nice graphical interface
Free 3D Mobile CAD
This program calculate hexagon coordinats for CNC Mill.
A set ot tools for surveyors addon to many CAD environments
Linux tiny CAD for educational purposes
Track an Abaqus job to show the progress of the Step solution
Revision control for hardware, engineering and scientific projects
The road cutting and filling quantity analyser and report producer app
Open DXFs with QCad
A VBA enabled EXCEL spreadsheet to calculate water-wave properties
Portable feed & speed calculator for turning and milling
Open Knowledge on engineering development.
This plugin exports G-Code for a wirecutter