Engineering

Fityk

Non-linear curve fitting and data analysis

Visiona

FreeCAD

An open source parametric 3D CAD modeler

Visiona

KiCad

An EDA suite for schematic and circuit board design

Visiona

OpenSCAD

The Programmers Solid 3D CAD Modeller

Visiona

PCB Designer

Create and edit printed circuit board designs

Visiona

PulseView

Logic analyzer, oscilloscope and MSO GUI

Visiona

QElectroTech

Electrical diagram editor

Visiona