RATReeView is an open source iOS and tvOS UI component built on UITableView for displaying tree data structures easily from Rafal Augustyniak.
RATreeView will automatically create nested table views with tree data complete with built in editing features. UIRefreshControl is supported by RATReeView for pull-to-refresh.
HEre’s an animation from the readme showing RATreeView in action:
You can find RATreeView on Github here.
A great component for displaying nested data.