Engineering

Fityk

Non-linear curve fitting and data analysis

Vista

FreeCAD

An open source parametric 3D CAD modeler

Vista

KiCad

An EDA suite for schematic and circuit board design

Vista

OpenSCAD

The Programmers Solid 3D CAD Modeller

Vista

PCB Designer

Create and edit printed circuit board designs

Vista

PulseView

Logic analyzer, oscilloscope and MSO GUI

Vista

QElectroTech

Electrical diagram editor

Vista