Comparison of free geophysics software

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This is a list of free and open-source software for geophysical data processing and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functions.

Contents

Notice that 'free and open-source' requires that the source code is available. Simple being 'free of charge' is not sufficient—see gratis versus libre. The reader interested in freeware (just free of charge) software is referred to the list of freeware geophysics software.

Reflection seismic processing packages

These are full-featured reflection seismology processing packages, with support for modeling, imaging, and inversion. They are relatively low-level and in some cases have their own data formats and involve learning an extensive syntax or meta-language.

NameDescriptionOriginatorLicensePlatformsLanguageNotes
Madagascar [1] Multidimensional data analysis including seismic processingSergey Fomel and others GPL Cross-platform C, C++, Python Programming Interfaces to Fortran 77, Fortran 90, Python, Java, MATLAB, Julia.
FreeUSP [2] Seismic processing Amoco, BP Custom Unix, Linux Fortran 77, CIncludes OBS Node Survey Simulator, BP Anisotropic Velocity-Analysis Benchmark
FreeDDS [3] Seismic processingAmoco, BPCustomUnix, LinuxFortran 77, CGeneric format (SEGY, SU, SEPlib, USP)
PSEIS-OSS [4] Parallel seismic processingRandy SelzlerGPLUnix, LinuxFortran 77, CGeneric format (SEGY, SU, SEPlib, USP, Madagascar)
CWP/SU (Seismic Unix) [5] Seismic processingStanford, Colorado School of Mines BSD-style Unix, Linux, OS X, Cygwin 32C, some Fortran 77World's most widely used (82 countries and territories).
CPSeis [6] Seismic processing ConocoPhillips MIT Cross-platform Fortran 90, C++
SPARC [7] Seismic processing ARCO GPL Cray Fortran
SEPlib [8] Seismic processing Stanford University CustomCross-platform Fortran, C
GeBR [9] Seismic processingVarious contributors, BrazilGPLLinuxCInterfaces with SU, Madagascar, etc.
OpenSeaSeis [10] Seismic processingBjorn Olofsson, now property of the Colorado School of Mines BSD-styleLinux, Windows, OS XC, C++, JavaInterfaces with SU data. Reads most common SEGY and a subset of SEGD formats.

Reflection seismic processing utilities

These packages offer some subset of functionality of the full processing packages in the previous section.

NameDescriptionOriginatorLicensePlatformsLanguageNotes
BotoSeis [11] Seismic processingWilliams Lima, Brazil GPL Cross-platform Java Workflow builder; interfaces with SU, Madagascar, etc.
Delivery [12] Bayesian inversion CSIRO GPL, BSD-style Cross-platformJava
GSEGYView [13] Display SEG-Y filesVladimir BashkardinGPLCross-platform Fortran, C
GPLib++ [14] Seismic and magnetotelluric processingMax Moorkamp, Dublin Inst. Adv. Studies GPL Unix, Linux C++
JavaSeis [15] Pre-stack seismic I/O ARCO CPL Cross-platformJava
kogeo [16] Geophysical analysis and visualization University of Hamburg GPL Windows C++
Mines JTK [17] Signal processing and displayDave Hale, Colorado School of Mines CPLCross-platformJava
JRG-Viewmat [18] Filtering, record visualization & animation, basic processing John Louie, University of Nevada CC By 3.0 Cross-platform Java Menu-driven interface, reads and writes SEG-Y, some SEPlib
Jive3D [19] Modeling and tomographic inversionJames Hobro, University of Cambridge CustomUnix, Linux Fortran GMT and other libraries
PySIT [20] Imaging and inversionRussell Hewett & Laurent Demanet, MIT BSD 3-clause Unix, Linux Python
SegDSee [21] Display SEG-D and SEG-B filesSergey PavlukhinCustomCross-platformC++, Qt
segyio [22] Read and write SEG-Y files Equinor LGPL Cross-platformC, Python
Segpy [23] Read and write SEG-Y filesRob Smallshire, Thomas Mejer Hansen LGPL Cross-platformPythonFork of defunct SegyPY
segy-py [24] Read SEG-Y filesKurt Schwehr, Google CustomCross-platformPythonVarious FOSS packages
SeismiGraphix [25] Read and view SEG-Y, SEG-D, Seismic Unix and Javaseis. View and remap headersAbel SuraceCustomCross-platformJava
SIOSEIS [26] Seismic reflection and refraction processingPaul Henkart, SIO BSDCross-platform gfortran, gcc
SLIMpy [27] Processing front endFelix Herrmann, Univ. of British Columbia LGPL Cross-platformPythonInterfaces with SU, Madagascar, etc.
SEGY Scout [28] Tool for reviewing key information and statistics of SEG-Y filesB. ManCustomWindowsC++Free; Other platforms can be made
WaveletExtractor [29] Well-ties CSIRO GPL, BSD-styleCross-platformJava

Nonreflection seismic processing utilities

NameDescriptionOriginatorLicensePlatformsLanguageNotes
ObsPy [30] Seismology toolboxMoritz Beyreuther et al. LGPL Cross-platformPythonUses Numpy and Cython
PAMGUARD [31] Passive acoustic monitoring for marine mammalsMultiple workers GPL Linux, Windows, OS X Java Plug-in-able
SCEC Broadband Platform [32] Ground Motion SimulationSCEC Community Modeling Environment Apache 2 LinuxPython, C, Fortran Uses Numpy and SciPy
Sesarray [33] Signal processing for ambient vibrations Joseph Fourier University, University of Potsdam GPLLinux, Windows, OS XC, C++ Includes geopsy (signal processing) & dinver (inversion)
Seismic Handler [34] Signal processing for earthquakes SZGRF GPLLinux, Solaris C, Python
STK [35] Signal processing for earthquakesDominique ReymondGPL Unix, Linux, WindowsC
TauP [36] Travel-time & ray-path calculation University of South Carolina GPLCross-platformJava
smartRefract [37] Refraction seismic interpretationSimone PittalugaGPLCross-platformJavaBased on GRM (Palmer)

Modeling and inversion packages

NameDescriptionOriginatorLicensePlatformsLanguageNotes
devito [38] Symbolic finite difference engine, including seismic modeling and inversionFabio Luporini, Matthias Louboutin, et al. MIT Cross-platform Python Uses Numpy and SymPy
Fatiando a Terra [39] Geophysical modeling and inversionLeonardo Uieda et al. BSD Cross-platform Python Uses Numpy and Cython
PyGMI [40] 3D interpretation and modelling of magnetic and gravity dataPatrick ColeGPLCross-platformPython
SimPEG [41] Simulation and Parameter Estimation in GeophysicsRowan Cockett et al. MIT Cross-platformPythonUses Numpy and SciPy
pyGIMLi [42] Geophysical Inversion and Modelling LibraryCarsten Rücker, Thomas Günther, and Florian Wagner Apache 2 Cross-platformPythonUses Numpy
OCCAM1DCSEM [43] An Inversion Program for Generating Smooth 1D Models from Controlled-Source Electromagnetic and Magnetotelluric Data.Kerry Key, SEMC GPL Cross-platformFortranOptional plotting and editing routines are in Matlab.
2DMT [44] Occam's inversion for 2D magnetotelluric (MT) modelingSteven Constable et al., SEMC UnclearCross-platformFortranOptional plotting and editing routines are in Matlab.
empymod [45] Full 3D electromagnetic modeller for 1D VTI mediaDieter Werthmüller Apache 2 Cross-platformPythonUses Numpy and SciPy
extrEMe [46] Accurate and scalable 3-D MT forward solver based on a contracting integral equation methodM. Kruglyakov, A. Geraskin, A. Kuvshinovmodified GPL 2 Cross-platformC#
GIEM2G [47] Gnu Integral Equation Modeling in ElectroMagnetic GeophysicsMikhail Kruglyakov, Lidia Bloshanskaya GPL 2 Cross-platformFortran
gprMax [48] Ground Penetrating Radar (GPR) 3D modellingAntonis Giannopoulos, Craig Warren, et al. GPL 3 Cross-platformPython, Cython

Visualization, interpretation, analysis packages

NameDescriptionOriginatorLicensePlatformsLanguageNotes
Geoscience Analyst [49] Import, visualize, annotate, save, and distribute 3D geoscientific data types and models Mira Geoscience QLM Windows C++, Python Version 3.1 and above provides a Python API to connect to open source software and view results in a 3D visualization environment designed specifically for the geosciences and mining.
OpendTect [50] Geoscience interpretation and visualization dGB Earth Sciences GPL or custom Cross-platform C++ Interfaces with Petrel, Madagascar, GMT, Google Earth/Maps
GeoTriple for Oil&Gas Exploration [51] Geoscience data management, display and analysis Geoforge project LGPL Cross-platform Java Interfaces with WorldWind
GeoCraft [52] Geophysical analysis and visualization ConocoPhillips MIT Cross-platformJava
qiWorkBench [53] Geophysical interpretation and visualization BHP Billiton Petroleum GPL, BSD Cross-platformJava
Generic Mapping Tools [54] Map generation and analysis Lamont–Doherty and University of Hawaii GPLCross-platform C Implemented in OpendTect
ParaViewGeo [55] Geoscience extension of ParaView Kitware ParaView, MIRARCO BSD Cross-platformC++, Python Oriented towards mining
GI [56] Geophysical interpretation and visualizationUnclearCross-platformC++, Qt Alpha version
FischerLab [57] Fischer Plots and Sequence StratigraphyAdewale Amosu & Yuefeng Sun, Texas A&M UniversityModified BSDCross-PlatformMatlabFree to use
EMP [58] Processing of raw time series of MT/AMT/RMT and controlled source data. Visualization of MT data on mapArseny ShlykovMITWindowsC#Free to use

Not true free and open-source projects

The following projects are not free and open-source. They have unknown licensing, licenses which place some restriction on use or redistribution, or depend on non-open-source software like MATLAB, and thus do not meet the Open Source Definition from the Open Source Initiative. (For example, the license may rule out use by certain people or for certain purposes, e.g., in a commercial context.) They are included here because they may be of interest for those in an academic environment or access to tools like MATLAB.

NameDescriptionOriginatorLicensePlatformsLanguageNotes
GeoFEST [59] Fault and terrain visualizationGreg Lyzenga & Jay Parker, Jet Propulsion Laboratory Unclear Unix, Linux C Hosted by Open Channel Foundation [60]
MSLT [61] Finite element stress-strain modelingPeggy Li & Herb Siegel, Jet Propulsion Laboratory UnclearUnix, Linux, OS X C
GeoSeis [62] Processing seismic refraction dataMuhammed Celik, Kocaeli University Freeware Windows Visual Basic Fully free after v. 1.3.8
MARE2DEM [63] 2D Inversion of CSEM and MT DataKerry Key, Scripps Institution of Oceanography Freeware, GNU open sourceOS X, Linux, Windows Fortran Free to use, needs a valid MATLAB license to build models
GPRSoft Lite [64] GPR Data VisualizationGeoscanners ABFreewareWindowsGSF, DZT, RAD3, DT1, formats supported
GP Workbench [65] GPR processing USGS UnclearWindows C++ SU format
Seismic Lab [66] Seismic processing toolboxMauricio Sacchi, University of Alberta GPL Cross-platform MATLAB Needs MATLAB
CREWES [67] Seismic processing toolboxGary Margrave, University of Calgary Custom, free for non-commercial useCross-platformMATLABNeeds MATLAB
SegyMAT [68] Read and write SEG-Y filesThomas Mejer Hansen, Univ. of Copenhagen LGPL Cross-platformMATLABNeeds MATLAB
IMAGE2SEGY [69] Image converterMarcel.lí Farran, Institut de Ciències del Mar Creative Commons Cross-platformMATLABNeeds MATLAB & SegyMAT
SW3D [70] Seismic processingVlastislav Cerveny, Charles University Unclear
rayinvr [71] 2D traveltime inversionColin Zelt, Rice University Custom, non-commercial use onlyUnix, Linux Fortran 77, C
fast [72] 3D traveltime tomographyColin Zelt, Rice University Custom, non-commercial use onlyUnix, LinuxFortran 77, C
passeis [73] Passive seismic analysisHaishan Zheng, University of Saskatchewan UnclearCross-platformMATLABNeeds MATLAB
seismon [74] Processing for earthquakesStefan Mertl GPL Cross-platformMATLABNeeds MATLAB
PyShottab [75] Processing for ocean-bottom seismic Dalhousie University UnclearCross-platform Python Windows binary
IGeoS (formerly SIA) [76] Geophysical processing and analysis University of Saskatchewan Custom, free for non-commercial useUnix, LinuxC++Interfaces with SU, GMT
Seizmo [77] Global seismic analysisGarrett Euler, Washington University in St. Louis UnclearCross-platformMATLABOctave-compatible
GISMO [78] Seismic waveform and earthquake catalog analysisGlenn Thompson, University of South Florida FreewareWindows, MacOSX, Linux Matlab Fully free
MVSPsoft [79] Borehole Seismic Data Processing and InterpretationMohammed Farfour, Sultan Qaboos University Freeware Windows Matlab Fully free
WheelerLab [80] Sequence Stratigraphic Analysis and Chronostratigraphic Analysis (Wheeler Diagrams)Adewale Amosu & Yuefeng Sun, Texas A&M UniversityModified BSDCross-PlatformMATLABNeeds Matlab and SegyMAT

Collections

NameDescriptionOriginatorLicensePlatformsLanguageNotes
SEG Software Repo [81] Open source codes that were made available together with published articles in the journal Geophysics by the Society of Exploration Geophysicists SEG.Various authorsSEG license and othersVariableVariableStatic repo. Maintained versions might be found on other places.
P233 Suite [82] Open source codes for EM data (1D, 2D, 3D) from 25 years of investigation by CSIRO, funded by AMIRA. CSIRO Public DomainCross-PlatformFortran
Markku Pirttijärvi [83] Free (but mostly not open-source) software by Markku Pirttijärvi; mostly EM, gravity and magnetic data.Markku PirttijärviFree to downloadWindowsFortranFree, not open source
Geoscience Australia's

Airborne Electromagnetic Inversion Software [84]

Open source codes for inverting and forward modelling airborne electromagnetic (AEM) data:

GAFORWARDMODELTDEM - 1D forward modelling . GALEISBSTDEM - deterministic 1D sample by sample inversion. GARJMCMCTDEM - stochastic 1D sample by sample inversion

Geoscience Australia

Ross C. Brodie

Creative Commons 4.0 Attribution (BY). Free to downloadCross-PlatformC++,Some third-party software dependencies. (Specified within).

Probably defunct projects

The following projects have seen very little activity for more than a year.

NameDescriptionOriginatorLicensePlatformsLanguageNotes
openGPR [85] GPR processing and interpretationMats Schuh GPL Linux Python No longer in active development
OpenICarreIntegrated interpretation systemIFP
MagIC-Py [86] Magnetic data processingPython
geoid [87] Geological mapping
ART [88] Ray tracing
GPCPP [89]
Seismic Refraction Tomography [90] GPL

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  88. ↑ "Project ART at sourceforge.net". artsystem.sourceforge.net. Retrieved 2016-06-13.
  89. ↑ "GeoPhysical Calculation Plus Plus download | SourceForge.net". gpcpp.sourceforge.net. Retrieved 2016-06-13.
  90. ↑ "Seismic Refraction Tomography download | SourceForge.net". tomoseis.sourceforge.net. Retrieved 2016-06-13.
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