...
This Agreement takes effect on the date on which you install the plugin into any Confluence installation.
License Duration
This license is perpetual, no additional payment is required to maintain it, with the exception of you breaking any part of this license, in which case you lose all rights under the license.
Disclaimer
It is not warranted that any software supplied by Stratus Add-ons will meet your requirements or that its operation will be uninterrupted or error free. Stratus Add-ons exclude and expressly disclaim all express and implied warranties or conditions not stated in this Agreement (including without limitation, loss of profits, loss or corruption of data, business interruption or loss of contracts), so far as such exclusion or disclaimer is permitted under the applicable law. This Agreement does not affect your statutory rights.
...