Is AB Tutor freeware/shareware?

No, the AB Tutor program is neither freeware nor shareware.

All copyright and other intellectual property rights in the AB Tutor software and accompanying user documentation remain the absolute property of AB Software Consulting Limited.  This includes all versions of AB Tutor, including the earliest version 1 releases, in all languages.

New users are granted a licence to use the software for up to 30 days from installation.  After the 30 day trial has elapsed, they need to purchase one or more licences in order to keep using the software.