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