Featured software
ProfiCAD
Software for electrical diagrams, schematics and other technical documents
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CAD freeware downloads
Toxtree Portable
3.1.0 freeware downloadA full-featured and flexible user-friendly open source application
Toxtree
3.1.0 freeware downloadA full-featured and flexible user-friendly open source application
Mobile Atlas Creator for Mac OS X
2.2.1 freeware downloadDesigned to help you create atlases for TrekBuddy
Mobile Atlas Creator
2.2.1 freeware downloadDesigned to help you create atlases for TrekBuddy
OpalCalc Portable
1.94 freeware downloadA brand new type of calculator for the PC
OpalCalc
1.94 freeware downloadA brand new type of calculator for the PC
KaPiGraf
3.5 freeware downloadShows your data as a chart easily and quickly
DirectMath for Mac OS X
3.2.3 freeware downloadHelp users with math and algebra calculations
DirectMath x64
3.2.3 freeware downloadHelp users with math and algebra calculations
DirectMath
3.2.3 freeware downloadHelp users with math and algebra calculations
DWSIM
6.6.2 freeware downloadOpen-source chemical process simulator written in VB.NET
Jmol for Linux
14.31.53 freeware downloadDesigned to display various 3D chemical information
Jmol
14.31.53 freeware downloadDesigned to display various 3D chemical information
Gabedit for Linux
2.5.1 freeware downloadA graphical user interface to computational chemistry packages
Gabedit
2.5.1 freeware downloadA graphical user interface to computational chemistry packages
XCircuit
3.8 freeware downloadSchematic drawing tool targeted at producing nice publishable schematic captures
SDMetrics
2.5 freeware downloadAnalyzes the structural properties of your UML models
Ascalaph Designer
1.8.94 freeware downloadSimulate, molecular graphics, optimization, molecular dynamics
M4 PERSONAL
7.0 freeware downloadM4 PERSONAL - Free Professional 2D/3D CAD Software
primesieve for Linux
7.5 freeware downloadOptimized sieve of Eratosthenes implementation
primesieve for Mac OS X
7.5 freeware downloadOptimized sieve of Eratosthenes implementation
Multiwfn
3.7 freeware downloadA small utility that helps you perform wavefunction analysis
Marvin Suite
20.20.0 freeware downloadView 2D and 3D molecular graphs from source chemical files of various formats
MagicPlot Student for Mac OS X
2.9.3 freeware downloadA handy tool for scientific and engineer data processing, plotting and fitting
MagicPlot Student for Linux
2.9.3 freeware downloadA handy tool for scientific and engineer data processing, plotting and fitting