The Universal Directories app can be used in any Jira reduction: Core, Software, Service Management.

Jira Service Management

(plus) The app allows using the Directories Select field on Service Desk Management as a usual select list.

HelpDesk for Jira

(plus) The app is compatible with HelpDesk for Jira plugin: you can allow your customers to select, browse and manage the Directories entries the same way as in Jira.

Agile Filters

(plus) The app's Directories Select custom field is available as a filter in the Agile Filters app.