The "List Aggregator" add-in enables you to rollup lists of subsites to a new aggregated list on the main site.
- Free design of the look & feel of the aggregated list.
- Creating custom views for the aggregated list.
- Further processing of data in the overview list in e.g. Workflow.
- Rights control for the aggregated list or individual entries in the aggregated list with the SharePoint rights management system.