dGB Earth Sciences OpendTect

This free, open-source seismic interpretation system visualizes, analyzes, and interprets 2D, 3D, and 4D seismic data. It is also widely used for Geo-Radar interpretation. OpendTect is released under the GNU Public License (GPLv3 or higher). This is also a software development environment for the fast-track development of new plugins (in C++). Third-party developers can choose to develop under the GPL license.