engineering

FreeCAD

A general purpose open source parametric 3D CAD modeler

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ProfiCAD

Electrical CAD Software

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Qalculate!

A highly versatile desktop calculator, with support for units, physical constants, uncertainty propagation, symbolic calculations, etc.

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Saturn PCB Toolkit

Freeware PCB design and engineering calculator suite

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Ncored

Fast PDF editor for large CAD and construction drawings

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DEWALT DESIGN ASSIST

A world-class connection design software for concrete anchoring

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ENERCALC

Structural Engineering Software

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Materializr

Maker 3D CAD — the middle ground between Tinkercad and FreeCAD.

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MCAD2026

Professional 2D CAD drafting application (DWG/DXF) by MET Mechatronics.

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MECHCAD

3D parametric mechanical CAD application by MET Mechatronics.

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goplus

The XGo Programming Language

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