List of seismic software libraries

A list of open source software libraries for reading and writing seismic reflection data, especially SEG Y formatted files.

Note, these are not full-featured processing packages. See the big list on Wikipedia for that sort of thing.

Active projects

Name	Originator	License	Language	Read	Write	Rev 1	Rev 2	Notes
Unplugged.Segy^[1]	Jacob Foshee	MIT	C#	Yes	No	Perhaps	Perhaps
SegPy^[2]	Sixty North	Dual	Python 3	Yes	Yes	Yes	Perhaps	AGPL for non-commercial use.
ObsPy^[3]	Moritz Beyreuther et al.	LGPL	Python 2/3	Yes	Yes	Perhaps	Perhaps	Mainly intended for global seismoloical records.
PyGeo^[4]	Brendan Smithyman	LGPL	Python	Yes	No	Perhaps	No	Previously UBC, now 3Point Science.
SegyIO^[5]	Statoil	LGPL	C	Yes	Perhaps	Perhaps	Perhaps	Has bindings for Python 2/3 and MATLAB.
Seimic.jl^[6]	Aaron Stanton et al.	MIT	Julia	Yes	No	Perhaps	Perhaps	SAIG Lab at U. Alberta.
segy-change^[7]	Giuseppe Stanghellini et al.	GPL	C++	Yes	Perhaps	Perhaps	Perhaps	Citable^[8]
sigrun^[9]	Mikhail Aksenov	Apache 2	Java	Yes	No	Perhaps	Perhaps
RSEIS^[10]	Jonathan Lees	GPL	R	Yes	Yes	Perhaps	Perhaps
segygo^[11]	Asbjørn Fellinghaug	Apache 2	Go	Yes	Perhaps	Perhaps	Perhaps

If the license is unclear or depends on non-open technology (such as MATLAB), it's not purely open source and should go here.

Name	Originator	License	Language	Read	Write	Rev 1	Rev 2	Notes
SegyMAT^[12]	Thomas Mejer Hansen	LGPL	MATLAB	Yes	Perhaps	Perhaps	Perhaps	Depends on proprietary technology.
segy.io^[13]	Stefano Fiorentino		JavaScript	Yes	Yes	Perhaps	No	Node.js library; license is unclear.

Name	Originator	License	Language	Read	Write	Rev 1	Rev 2	Notes
SegyLoader^[14]	Cloudera		Java	Yes	No	Perhaps	No	Just a part of seismichadoop.
segy-py^[15]	Kurt Schwehr		Python 2.4	Yes	No	Perhaps	No	Seems to have been aimed at earthquake records.

JavaSeis provides Parallel I/O for seismic processing and imaging, with MPI and Java Threads based parallel computation.

Name	Originator	License	Language	Read	Write
JavaSeis^[16]	Chuck Mosher	CPL	Java	Yes	Yes
JSeisIO^[17]	Fraunhofer ITWM	LGPL	C++	Yes	Yes
TeaSeis.jl^[18]	Sam Kaplan	EPL	Julia	Yes	Yes
pyjavaseis^[19]	Asbjørn Fellinghaug	Unclear	Python	Perhaps	Perhaps
pyjseisio^[20]	Eric Addision	Unclear	Python/C	Perhaps	Perhaps