Confluence Data Center
Atlassian announced JIRA Data Center as part of the JIRA 6.3 announce. All add-ons are tested on JIRA Data Center, usually on the most recent released version of JIRA.
For JIRA Agile related support, the most recent compatible version of Agile is tested and supported.
Compatibility for Atlassian Command Line Interface (CLI) generally follows the compatibility list above. More detailed compatibility can be found dependent on the ACLI release being used.