You can download and install Rule Learner on-premise. It is freely available under the terms of the Open Source GNU Lesser General Public License (LGPL) allowing it to be used in commercial projects without limitations.
Please register to download Rule Learner:
We need your contact information only to inform you from time to time about new development and we will never share it with anybody else.
If you have any questions and/or want to become a contributor, send a request to firstname.lastname@example.org.