iMolpro is licensed under the GNU GPL v3 (source code). It uses several additional open-source libraries: further details.
The installed package also contains a reduced-function installation of Molpro to support educational use of iMolpro, and installation or use of the package implies acceptance of the following conditions for using the embedded Molpro.
- Only educational use is permitted.
- Molpro, together with its documentation, is a copyrighted work of authorship, and is licensed for use by the user only. It may not be rented, leased, sub-licensed, sold or otherwise transferred to a third party.
If a licensed full copy of Molpro is already installed, the embedded instance of Molpro is not used by iMolpro, and these conditions do not affect normal use of iMolpro.