CAD freeware downloads

EnCalc

4.2 freeware download

A calculator that will perform all the calculations you need in your daily work

Toxtree Portable

3.1.0 freeware download

A full-featured and flexible user-friendly open source application

Toxtree

3.1.0 freeware download

A full-featured and flexible user-friendly open source application

Mobile Atlas Creator for Mac OS X

2.2.1 freeware download

Designed to help you create atlases for TrekBuddy

Mobile Atlas Creator

2.2.1 freeware download

Designed to help you create atlases for TrekBuddy

OpalCalc Portable

1.94 freeware download

A brand new type of calculator for the PC

OpalCalc

1.94 freeware download

A brand new type of calculator for the PC

KaPiGraf

3.5 freeware download

Shows your data as a chart easily and quickly

5 freeware award

DirectMath for Mac OS X

3.2.3 freeware download

Help users with math and algebra calculations

DirectMath x64

3.2.3 freeware download

Help users with math and algebra calculations

DirectMath

3.2.3 freeware download

Help users with math and algebra calculations

DWSIM

6.6.2 freeware download

Open-source chemical process simulator written in VB.NET

Jmol for Linux

14.31.53 freeware download

Designed to display various 3D chemical information

Jmol

14.31.53 freeware download

Designed to display various 3D chemical information

Gabedit for Linux

2.5.1 freeware download

A graphical user interface to computational chemistry packages

Gabedit

2.5.1 freeware download

A graphical user interface to computational chemistry packages

XCircuit

3.8 freeware download

Schematic drawing tool targeted at producing nice publishable schematic captures

SDMetrics

2.5 freeware download

Analyzes the structural properties of your UML models

Ascalaph Designer

1.8.94 freeware download

Simulate, molecular graphics, optimization, molecular dynamics

M4 PERSONAL

7.0 freeware download

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

primesieve for Linux

7.5 freeware download

Optimized sieve of Eratosthenes implementation

primesieve for Mac OS X

7.5 freeware download

Optimized sieve of Eratosthenes implementation

Multiwfn

3.7 freeware download

A small utility that helps you perform wavefunction analysis

Marvin Suite

20.20.0 freeware download

View 2D and 3D molecular graphs from source chemical files of various formats

MagicPlot Student for Mac OS X

2.9.3 freeware download

A handy tool for scientific and engineer data processing, plotting and fitting