CAD freeware downloads

primesieve x64

12.3 freeware download

Optimized sieve of Eratosthenes implementation

ATCalc

4.0 freeware download

Scientific and graphic calculator with/or a Programming environment

Portable MicroDicom

2024.2 freeware download

Primary processing and preservation of medical images in DICOM format

eMachineShop 3D CAD

1.52 freeware download

Free 3D CAD Program with Instant Pricing and Instant Online Ordering

Gmsh for Mac OS X

4.13.1 freeware download

An automatic 3D finite element grid generator with a build-in CAD engine

TNTatlas for Mac OS X

2024 B20240508 freeware download

Designed to help you view hierarchical atlases by analyzing them

TNTmips

20240404 freeware download

Analyze complex GIS data, process and modify map images

QGIS for Linux

3.36.1 freeware download

Lets you browse and create map data on your computer

VariCAD Viewer for Linux

2024 2.01 freeware download

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

ProfiCAD

12.4.4 freeware download

Software for electrical diagrams, schematics and other technical documents

OpenDCL Studio

9.1.5.2 freeware download

A tool to help AutoLISP programmers with their work

Engauge Digitizer for Windows

12.0 freeware download

Open source digitizing software converts an image file showing a graph or map

5 freeware award

QGIS for Mac

3.36.1 freeware download

Lets you browse and create map data on your computer

VirtualBreadboard

6.0.8/1.7.2 freeware download

Developed to be a simulation & development environment

Graph Streaming

0.7.0.12 freeware download

Build a unified framework for streaming graph objects

BayesRate

1.63 freeware download

Designed in order to estimate speciation

Axdea 3D CAD, BIM based IBS Score

1.1.6 freeware download

Axdea 3D CAD, Free BIM-based IBS Score Software.

TrueSpace

7.61 freeware download

Model, texture, light, animate and render 3D content

Mobile Atlas Creator

2.2.1 freeware download

Designed to help you create atlases for TrekBuddy

Engauge Digitizer for Mac OS X

12.0 freeware download

Open source digitizing software converts an image file showing a graph or map

5 freeware award

Elshayal Smart

23.02 freeware download

This application will enable you to view and rectify raster images

GstarCAD MC

3.3.1 freeware download

Review, edit, save and share CAD drawings on the mobile device.

JMARS

3.1.5 freeware download

Mission analysis and planning tool for remote sensing

5 freeware award

3D Architecture by LiveCAD

2.1 freeware download

Design, display, present, and realize all your building projects.

ShareCAD

2.0 freeware download

Free online service to view DWG, DXF, IGS, STP, STL, SVG, CGM and other formats.