OpendTect software is released under a triple licensing scheme. The free part (OpendTect and the free plugins) is released under an open-source license agreement: GNU GPLv3 or higher.
OpendTect Pro and all commercial plugins are protected by FlexNet license managing software (see below). License keys for OpendTect Pro are always time-limited to the duration of a subscription -, or maintenance period. Commercial plugins can either be perpetual (subject to a license fee and annual maintenance fee), or temporary (per month or per year. The Geoscience Bundle, a bundle of OpendTect Pro and numerous plugins by dGB can also be rented per day).
For short-term node-locked license subscriptions, please visit the Pro Store. License keys will be issued within one working day. For long term subscriptions, network licenses or perpetual licenses with maintenance, please contact dGB at