This plugin is downloadable only through Atlassian Marketplace.
Atlassian Marketplace FAQ for more details on add-on licensing, support, and upgrade information.
Data Storage
This application do not collect any personal data.
All data is stored in Atlassian JIra host application.
Agility Checklist use Atlassian "Entity properties" and Custom REST service as mechanism to store data needed to work plugin. All data is stored in Atlassian Jira application.
...