CAD freeware downloads

Red Crab

7.16 freeware download

A complex scientifical calculator with a full-screen editor

5 freeware award

Multiwfn

3.7 freeware download

A small utility that helps you perform wavefunction analysis

primesieve

7.6 freeware download

Optimized sieve of Eratosthenes implementation

primesieve for Linux

7.5 freeware download

Optimized sieve of Eratosthenes implementation

LogicCircuit

2.21.01.10 freeware download

Designing and simulating digital logic circuits

VariCAD Viewer

2021 2.05 freeware download

A scaled-down version of VariCAD used for viewing VariCAD files

QGIS

3.18.3 freeware download

Lets you browse and create map data on your computer

QGIS for Mac

3.18.3 freeware download

Lets you browse and create map data on your computer

QGIS for Linux

3.18.3 freeware download

Lets you browse and create map data on your computer

SolidFace 3D CAD PTV

24.0.0.X freeware download

Professional 3D Modeling Software (CAD) PTV

M4 PERSONAL

7.0 freeware download

M4 PERSONAL - Free Professional 2D/3D CAD Software

AdvancedHMI

3.99x Patch 3 freeware download

A free software used to build HMIs that display information residing in a PLC

XCircuit

3.8 freeware download

Schematic drawing tool targeted at producing nice publishable schematic captures

Ascalaph Designer

1.8.94 freeware download

Simulate, molecular graphics, optimization, molecular dynamics

Pad2Pad

1.9.133 B4653 freeware download

A remarkable new way to get the custom printed circuit boards you need

Gwyddion

2.59 freeware download

A modular program for SPM data visualization and analysis

Gwyddion for Linux

2.59 freeware download

A modular program for SPM data visualization and analysis

Euler Math Toolbox

2021-04-30 freeware download

A powerful numerical and algebraic software

primesieve x64

7.6 freeware download

Optimized sieve of Eratosthenes implementation

primesieve for Mac OS X

7.5 freeware download

Optimized sieve of Eratosthenes implementation

SDMetrics

2.5 freeware download

Analyzes the structural properties of your UML models

SansView

5.0.4 freeware download

SansView is tool designed to extend the SANS data analysis capabilities

SansView for Mac OS X

5.0.4 freeware download

SansView is tool designed to extend the SANS data analysis capabilities

Digimizer

5.6.0 freeware download

Allows manual and automatic measurements on any image file

VariCAD Viewer for Linux

2021 2.05 freeware download

A scaled-down version of VariCAD used for viewing VariCAD files