List of free geology software

Short description: None

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

Notice that 'free and open-source' requires that the source code is available and users are given a free software license. Simple being 'free of charge' is not sufficient—see gratis versus libre.

## Contents

* 1 Well logging & Borehole visualisation
* 2 Geosciences software platforms
* 3 Geostatistics
* 4 Forward modeling
* 5 Geomodeling
* 6 Visualization, interpretation & analysis packages
* 7 Geographic information systems (GIS)
* 8 Not true free and open-source projects
* 9 References

## Well logging & Borehole visualisation

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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SGS-Geobase [1] | Drilling data logger that can interface with SGS Genesis | SGS Canada Inc. | GPL | Windows & Microsoft Access | Microsoft Access VBA | Microsoft Access is not necessary, the free runtime is sufficient. Simple graphical interface, Integrity reinforcement, Reporting tools, Satellite Database, Database Validation, Assays QA/QC management with graphics.
QGeoloGIS  | QGIS well log and timeseries visualisation plugin  | Oslandia, Orano and CEA | GPLv2 or later | Cross-platform  | Python | Interfaces with QGIS
OpenGeoPlotter  | Mineral exploration drill hole data visualization and cross section generator, strip logs, stereonet  | [1] | GPL | Cross-platform  | Python | Open source PyQt5 app catered to the exploration industry

## Geosciences software platforms

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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GeoTriple for Oil&Gas Exploration

[2]

| Geo-sciences Software platform (data management, display and process)  | Geoforge project | LGPL  | Cross-platform  | Java | Interfaces with WorldWind and JFreeChart

## Geostatistics

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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Gstat[3] | Geostatistical modeling and simulation  | Utrecht University | GPL | Cross-platform  | C/C++  | Interfaces with GRASS
gslib[4] | Geostatistical modeling and simulation  | Stanford University | MIT |  | Fortran 77 |
PyGSLIB[5] | Python module for geostatistical modeling, designed for mineral resource estimation | Opengeostat Consulting | MIT/GPL  | Windows, Linux and OSX  | Fortran 95, Cython and Python | It has functions for drillhole calculations, block modeling, wireframing and geostatistics with modified gslib code linked into python

## Forward modeling

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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Virtual Geoscience Workbench[6] | Finite-discrete element modeler  | Jiansheng Xiang and others  | LGPL | Windows | C#, C++ |

## Geomodeling

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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GeoSyntax[7] | Reservoir modeling  | CSIRO Australia - June Hill  | CSIRO "MIT/BSD" (academic)  | Microsoft Windows | Java |
GeoBlock[8] | Reservoir modeling  | Pavel Vassiliev  | MPL | Microsoft Windows | Object Pascal | Exact terms not clear
GeoTrace[9] | Tracer modeling  | Muhammed Celik  |  | Microsoft Windows | Visual Basic | Exact terms not clear
Albion[10] | 3D model reconstruction and visualisation from boreholes based on QGIS GIS Platform  | Oslandia[11] and Areva  | GPLv2 or later  | Cross-platform | Python | Interfaces with QGIS
GemPy[12] | 3D structural geological modeling  | CGRE Institute, RWTH Aachen \- Miguel de la Varga  | LGPL v3  | Cross-platform | Python | Open-source implicit geological modeling that allows for automation of model construction and is aimed to enable the implementation of probabilistic machine-learning methods, e.g. for uncertainty analysis.

## Visualization, interpretation & analysis packages

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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Dapple[13] | Virtual globe for geoscientists  | Geosoft Inc.  | MIT  | Windows |  | Originated in NASA World Wind
Estereografica Web[14] | Stereographic projection and fault kinematics  | Reyuntec  | Public domain  | Cross-platform  | ASP.net  | Free web application (english and spanish)
Generic Mapping Tools[15] | Map generation and analysis  | Lamont–Doherty and University of Hawaii | GPL | Cross-platform  | C | Implemented in OpendTect
GPlates[16] | Interactive visualization of plate tectonics  | University of Sydney, Caltech, NGU  | GPL | Cross-platform  | C++, Python | Implements GPML
OpenStereo[17][18] | Geoscience plotting tool  | Carlos Grohmann, University of São Paulo  | GPL | Cross-platform  | Python | Depends on NumPy and Matplotlib
OpendTect[19] | Geoscience interpretation and visualization  | dGB Earth Sciences  | GPL or custom  | Cross-platform  | C++ | Interfaces with GMT
Modelgeo[20] | General 3D mathematics with modelling and visualization of geoscience data  | ModelGeo AS  | Free for non-profit use  | Windows  | C++, TCL  | Originally a petroleum geology program, reads all common geology and geophysics data formats
ParaViewGeo[21] | Geoscience extension of ParaView Includes readers and filters  | Kitware ParaView, Objectivity Originally MIRARCO  | BSD | Cross-platform  | C++, Python | Adds specific readers, stereo toolbar, slideshow capability and mining and geology oriented filters to Paraview
PuffinPlot[22] | Paleomagnetic data visualization and analysis  | Pontus Lurcock  | GPL v3  | Cross-platform  | Java | Desktop GUI and Jython scripting interface.

## Geographic information systems (GIS)

This important class of tools is already listed in the article List of GIS software.

## Not true free and open-source projects

The following projects have unknown licensing, licenses or other conditions which place some restriction on use or redistribution, or which depend on non-open-source software like MATLAB or XVT (and therefore do not meet the Open Source Definition from the Open Source Initiative).

Name  | Description  | Originator  | License  | Platforms  | Language  | Notes

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Noddy[23] | 3D geological and geophysical modeling  | Tectask, IUGS | Custom permissive license  | Microsoft Windows | C++ | Uses proprietary XVT libraries; requires (free) registration
BasinVis,[24][25] | Basin visualization of sedimentary fill and subsidence  | Eun Young Lee, Johannes Novotny  | LICENSE | Cross-platform  | Matlab  |
Geomodelr[26] | Geological modelling from cross sections  | Geomodelr, Inc.  | SaaS - AGPL | Cross-platform  | Python | Allows creation of public geological models in its web platform for free and query the model with an Open Source Python Package
BGS Groundhog Desktop[27] | Geological modelling from cross sections  | British Geological Survey  | OGL - Open Government Licence  | MS Windows | Java | Free to use software to digitize geological cross-sections, and display and edit borehole logs

## References

1. ↑ "Geological Software, 3D Modelling, QAQC and Resource Estimation | Genesis". 26 September 2023. https://www.geostat.com/genesis.
2. ↑ "GeoTriple - Oil&Gas Exploration - About". http://www.geoforge.org/prt/product/gtr4oxp/gtr4oxp_about.html.
3. ↑ Gstat website
4. ↑ "Geostatistical Software Library". http://gslib.com/. Retrieved 30 January 2024.
5. ↑ "opengeostat/pygslib". https://github.com/opengeostat/pygslib.
6. ↑ "Virtual Geoscience Workbench". 13 March 2016. http://sourceforge.net/projects/vgw/.
7. ↑ "CSIRO Data Access Portal". https://data.csiro.au/dap/landingpage?pid=csiro:10810.
8. ↑ "Geoblock". https://geoblock.sourceforge.net/. Retrieved 30 January 2024.
9. ↑ GeoTrace website
10. ↑ "Oslandia / Albion". https://gitlab.com/Oslandia/albion.
11. ↑ "OSLANDIA". https://oslandia.com/en/. Retrieved 30 January 2024.
12. ↑ de la Varga, Miguel; Schaaf, Alexander; Wellmann, Florian (2019). "GemPy 1.0: open-source stochastic geological modeling and inversion". Geoscientific Model Development 12 (1): 1–32. doi:10.5194/gmd-12-1-2019.
13. ↑ Dapple website
14. ↑ Estereografica Web
15. ↑ Generic Mapping Tools hawaii.edu
16. ↑ "GPlates". https://www.gplates.org/. Retrieved 30 January 2024.
17. ↑ "Welcome". http://igc.usp.br/openstereo/.
18. ↑ "OpenStereo – an open source, cross-platform structural geology analysis software — OpenStereo 0.9.0 documentation". https://openstereo.readthedocs.io/en/latest/.
19. ↑ "dGB Earth Sciences - Innovative Seismic Interpretations Solutions". https://dgbes.com/. Retrieved 30 January 2024.
20. ↑ "HOME". https://www.modelgeo.no/. Retrieved 30 January 2024.
21. ↑ "ParaviewGeo". http://paraviewgeo.objectivity.ca/.
22. ↑ Lurcock, P. C. and G. S. Wilson (2012), PuffinPlot: A versatile, user-friendly program for paleomagnetic analysis, Geochemistry, Geophysics, Geosystems, 13, Q06Z45, doi:10.1029/2012GC004098
23. ↑ "Noddy". http://www.tectonique.net/tectask/index.php?option=com_content&view=article&id=23.
24. ↑ "BasinVis 2.0". https://geologist-lee.com/basinvis-2_0.
25. ↑ Lee E.Y., Novotny J., Wagreich M. (2016) BasinVis 1.0: A MATLAB®-based program for sedimentary basin subsidenceanalysis and visualization. Computers & Geosciences 91, 119–127. http://dx.doi.org/10.1016/j.cageo.2016.03.013
26. ↑ Geomodelr website
27. ↑ "Groundhog v2.8". https://www.bgs.ac.uk/technologies/software/groundhog/. Retrieved 30 January 2024.

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