Fully integrated for a delivery pipeline, allowing value streams and flow metrics.
Jira as the issue tracker.
Bitbucket as the version control system.
Confluence as the publication and landing pages for reporting.
Confluence also used as inputs from the business who has no access to Jira or Bitbucket.
Jira used as a self service trigger for deployments via rest calls to the build and deployment system. Confluence to keep track of what is where. Jira integration to the version control and build and deployment system for flow metrics (DORA as well).