Panels and navigation
- Two panels, each with its own source
- Tabs: lockable, draggable between panels, restored on launch
- Back/forward history, breadcrumb path, Go to Folder
- List, Brief and Thumbnails views, grouping by kind, date, size, extension
- Side by side, stacked or single panel
- Commander or Finder style per panel
- Browse inside packages (.app, .xcodeproj…)