This page gives an overview of the demonstration software and free software which can be downloaded from this site.
Free 30-day demos of our 'Crocodile' modelling software are available for download. To register for a demo you will need to have a valid email address.
To learn how to get the most from our software, you can view one our online training videos showing the software in action. They will also give you a useful overview if you've not got time to download a demo.
Upgrades convert older versions of our software to the latest version. Click here for details of the upgrades currently available.
If there are faults or inaccuracies in our software, we'll do our best to issue a 'patch' - software which you can download to fix it. Click here to find out which patches are currently available.
Sometimes we offer free software for schools and students. Click here to find out about free software that's currently available.