UbuntuHelp:UbuntuScience/AlternativesToProprietarySoftware

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This page contains a list of free alternatives to proprietary software useful for Scientists. Please feel free to add more.

Proprietary	Free alternative	Info	Link
UbuntuHelp:MATLAB	Scipy	Matrix based computing environment	http://www.scipy.org/
UbuntuHelp:MATLAB	UbuntuHelp:Octave	Matrix based computing environment	Octave
UbuntuHelp:MATLAB	Scilab	see above	Scilab
S-PLUS, SAS	R	statistical package	[1]
IDL	GDL	Interactive data language	GDL
Simulink	Sci'Craft	Based on Octave (Available for Debian, I think)	SciCraft
Simulink	Sci'Cos	Based on Scilab (Not found in Ubuntu Repos)	SciCos
Origin	Sci'Graphica, RLPlot, Qtiplot, Lab'Plot	Data plotting and analysis	SciGraphica, RLPlot, Qtiplot , LabPlot
Peak'Fit	Fityk	Peak separation and analysis	Fityk
UbuntuHelp:Mathematica, UbuntuHelp:Maple, Mu'Pad	Maxima	A computer algebra systems	Maxima homepage
UbuntuHelp:Mathematica, UbuntuHelp:Maple, Mu'Pad	SAGE	A computer algebra systems	SAGE homepage
Win'Edt(Shareware), Scientific'Word	Kile, Texmaker, UbuntuHelp:Lyx	UbuntuHelp:LaTeX frontends	kile, Texmaker, Lyx
COMSOL	ELMER	tool for multi-physics problems	Elmer
Fluent	UbuntuHelp:OpenFOAM	Computational Fluids Dynamics Software	OpenFOAM