Outliner

CarbonFin Outliner allows you to organize your thoughts, tasks, and projects. Easily create a todo list for today, or track an entire project anywhere you are. Share your outlines, edit them online, and collaborate with other Outliner users.


Highlights
• Create outlines full of notes, structured lists, tasks, or detailed projects
• Sync your outlines automatically to Outliner Online, OneDrive, or Dropbox for web or desktop editing
• Get a quick view of project progress - tasks with subtasks show a pie-chart indicating percent completed

Organize
• Search through all your outlines or an individual outline
• Tag your outlines, and filter based on tag
• Archive old outlines to hide them from view without deleting

Easy-to-use Editor
• Drag and drop to move items within an outline
• Copy, paste
• Undo, redo
• Expand all, collapse all
• Optional outline numbering
• Zoom in to focus on a single subtree

Outliner Online
• Securely synchronize your outlines with Outliner Online
• View and edit your outlines in any web browser
• Import and export outlines as plain text or OPML
• Keep all your devices synchronized
• Share an outline with other Outliner users to collaborate

OneDrive and Dropbox
• Sync your outlines with OneDrive or Dropbox to allow quick import/export
• Seamlessly access and edit across your iOS devices and PCs


-= Recent version history =-

Version 3.19
• iOS 26 support and adoption of liquid glass

Version 3.18
• iOS 18 support
• Dark and tinted app icons

Version 3.17
• Minor bug fixes

Version 3.16
• Minor bug fixes
• iOS 17 support

Version 3.15
• Fixed Dropbox integration
• Show a warning when unlinking Dropbox/OneDrive if there are unsynced outlines
• iOS 16 support

Version 3.12
• Dark mode
• Added confirmation to "Delete Completed"
• Changing "Archived" won't update the outline's modification time
• iOS 13 support

Version 3.11
• OneDrive sync support

Version 3.10
• Sync the order of outlines across devices (CarbonFin outlines only)
• iOS 12 support

Version 3.9
• iPhone X support
• iOS 11 support

Version 3.8
• Open In... support
• Ability to hide the outline list on iPad
• Minor UI tweaks