Crules is Free and Open Source software. You can download, use and modify it without any charge.
Creating and maintaining Crules takes a lot of time and resources. If you use Crules in your company or individual use, please consider donating a few spare quid through Paypal using the following link:
Your donations are more useful than you may realize no matter how small! Many thanks to all who donate!
If you require a receipt for your donation contact me via email.