The Herzum Approval add-on provides a simple and flexible way of managing and processing the approval of JIRA issues. Administrators can easily define approval criteria based on workflow transitions or project/issue types.
Herzum Attachment Manager is a powerful add-on for JIRA that lets you define, at the project level, the maximum number of attachments and also overwrite the default JIRA maximum attachment size.
Herzum Moderator Approval is a powerful add-on for Bitbucket that lets you define, at a project or repository level, Moderators that need to approve a pull-request before merging.
Quick Linker allows JIRA users to create linked issues with a single click of a button. Administrators can configure, among other things, source/destination for projects/issue types and the labels for the buttons that create/link your issues!