Structure for JIRA Because You've Got a Hierarchy of Issues

Plugins - ALM Works

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Cross-project multi-level hierarchy

An issue may have sub-issues, which, in turn, may have sub-issues of their own. Sub-issues are not limited to the parent issue's project, and they may be of any issue type (subject to permissions and configuration).
Fast editing with keyboard shortcuts

Structure Board, the main view provided by the plug-in, shows issues as a multi-level grid. Using its dynamic interface and keyboard shortcuts, you can easily arrange issues in a hierarchy or create new issues on the spot.

Time and progress

Completion progress, time worked and estimates are calculated with respect to sub-issues.

ALM Works structure plugin screenshot