Zavala is a modern take on a traditional outliner. It is a full featured app. It takes full advantage of your device by leveraging gestures, keyboard shortcuts, and multiple windows.
Other features:
* OPML Import & Export
* Markdown Export
* iCloud syncing
* iCloud sharing with other iCloud users
* Nested Tags for organizing Outlines
* Support for embedding images
* Print support
* Drag and drop
* Text formatting
* Links
* Completed items
* Notes
* Customizable fonts and sizes
* Backlinks
* Shortcuts Support
* Typewriter Scrolling