Additional to OpendTect base you may want to purchase commercial plugins. OpendTect uses FlexLM licensing for commercial plugins.

For evaluation purposes, you can request temporary licenses (which need no host identification) for the dGB and ArkCls plugins via This email address is being protected from spam bots, you need Javascript enabled to view it dGB also provides training and consultancy services.

The FlexLM licensing system is expained below.

 FlexLM (by Macrovision) is a well known licensing system used throughout the industry, and in the oil industry in particular. To be able to effectively manage licenses, every computer has a unique host identification . More information on this and other FlexLM issues:

General information on the FlexLM licensing system

FlexLM end-user manual by Macrovision

FAQ OpendTect Plugins / Licenses

OpendTect Application Managment Documentation