Engineering

Fityk

Non-linear curve fitting and data analysis

Vis

FreeCAD

An open source parametric 3D CAD modeler

Vis

KiCad

An EDA suite for schematic and circuit board design

Vis

OpenSCAD

The Programmers Solid 3D CAD Modeller

Vis

PCB Designer

Create and edit printed circuit board designs

Vis

PulseView

Logic analyzer, oscilloscope and MSO GUI

Vis

QElectroTech

Electrical diagram editor

Vis