FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source.
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F
FAHClientfoldingathome.org
FoldingAtHome.FoldingAtHomev8.4.9
Folding@home is a distributed computing project that studies protein folding and misfolding.
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P
Policy PlusFleex255
Fleex255.PolicyPlusv1.0.0.0
Local Group Policy Editor plus more.
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ESBCalc Pro TRIALESB Consultancy
ESBConsultancy.ESBCalc.Pro.Trialv10.4.1.0
Scientific Calculator
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ESBCalcESB Consultancy
ESBConsultancy.ESBCalcv7.3.1.0
Freeware Calculator
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MCX StudioCOTILab
coti.mcxstudiovv2025.10.20
Monte Carlo eXtreme (MCX) - GPU-accelerated 3D photon transport simulator
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Ice ServicesZeroC, Inc.
ZeroC.IceServicesv3.8.1.0
IceGrid, IceStorm, and Glacier2 services for the Ice RPC framework
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VisItLLNL
VisIt.VisItv3.4.2
VisIt - Visualization and Data Analysis for Mesh-based Scientific Data
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OrangeBioinformatics Laboratory, University of Ljubljana
UniversityOfLjubljana.Orangev3.40.0
Open source machine learning and data visualization.
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J
JASPUniversiteit van Amsterdam
UniversityOfAmsterdam.JASPv0.96.0
A Fresh Way to Do Statistics
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UGENEUnipro
Unipro.UGENEv52.1
UGENE is a free open-source bioinformatics software for Windows, macOS, and Linux.
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BOINCSpace Sciences Laboratory, U.C. Berkeley
UCBerkeley.BOINCv8.2.9
Open-source software for volunteer computing and grid computing.
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D
Dependency Analyzertecnocrata
tecnocrata.depscopv0.2.0
Dependency analysis CLI tool
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pyzoThe Pyzo team
ThePyzoteam.pyzov4.21.0
The Interactive editor for scientific Python
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SpyderSpyder Project Contributors and others
Spyder.Spyderv6.1.4
Scientific Python Development Environment similar to matlab
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SpeedCrunchSpeedCrunch
SpeedCrunch.SpeedCrunchv0.12
A high-precision scientific calculator featuring a fast, keyboard-driven user interface.
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SAGA - System for Automated Geoscientific AnalysesSAGA User Group Association
SAGAUserGroupAssociation.SAGAGISv9.2.0
System for Automated Geoscientific Analyses
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R for WindowsR Core Team
RProject.Rv4.6.0
R is a free software environment for statistical computing and graphics.
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Qalculate!Hanna Knutsson
Qalculate.Qalculatev5.10.0
A highly versatile desktop calculator, with support for units, physical constants, uncertainty propagation, symbolic calculations, etc.
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Avogadro2https://avogadro.cc/
OpenChemistry.Avogadro2v1.100.0
Avogadro is an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.