CarbonFin Outliner
CarbonFin Outliner: A focused collaborative outliner with task tracking, sharing, and flexible export. Ranked #14 of 22 in Outlining Software by our editors (5.9/10); pricing: Paid; best for collaborative task-focused outlining.
At a glance
- Editor score5.9 / 10
- PricingPaid
- Best forCollaborative task-focused outlining
- Free planNo
- Facts checked21 Sep 2026
Where it wins
- Hierarchical outlines support notes, tasks, subtasks, and projects
- Syncs across web, macOS, iOS, OneDrive, and Dropbox
- Supports collaboration, publishing, and OPML/plain-text exchange
Where it doesn't
- No free plan is available
- Collaboration is limited to sharing and editing outlines
- Task management stays within an outlining-focused workspace
Our verdict on CarbonFin Outliner
CarbonFin Outliner organizes notes, structured lists, tasks, and projects in hierarchical outlines. It is aimed at people who need more structure than a conventional notes app, especially teams or individuals managing nested work. Inline editing, drag-and-drop reordering, checklists, tags, search, filtering, archiving, and dark mode support day-to-day organization across web, macOS, and iOS.
Its strongest distinction is the connection between outlining and task progress. Users can assign tasks and subtasks within an outline, mark work complete, and view subtree progress indicators. Search works across individual or all outlines, while tags and filtering help narrow larger collections. Sharing and collaborative outline editing extend the workspace beyond personal planning, and read-only publishing by URL provides a way to distribute finished structures without opening them for changes.
The platform also fits workflows that need portability. Outlines can synchronize with Outliner Online, OneDrive, or Dropbox, and the product supports OPML import plus OPML and plain-text export. The Outliner plan includes outlining, synchronization, sharing, and online editing. CarbonFin Outliner uses a paid-only model, so it is a stronger fit for buyers who specifically want hierarchical task-focused organization and collaboration than for those comparing against free outlining tools. Choose it for structured projects, nested task lists, and portable outlines; choose an alternative if a free plan or a broader project-management workspace is the priority.
CarbonFin Outliner pricing
All 1 CarbonFin Outliner plans and prices →
CarbonFin Outliner fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Real-time collaboration | Not verified |
| Markdown support | Not verified |
| Mobile apps | Ios |
| Desktop apps | Mac |
| Export formats | plain text, OPML |
| Import formats | OPML |
| Templates | Not verified |
| Deployment | Cloud, Desktop, Mobile |
| Platforms | Web, macOS, iOS |
| Support | Email, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 2 integrations: OneDrive, Dropbox |
| Pricing | Paid (source) |
| Website | carbonfin.com |
| Facts checked | 21 Sep 2026 |
CarbonFin Outliner integrations
CarbonFin Outliner lists 2 integrations on its own site.
- OneDrive
- Dropbox
Alternatives to CarbonFin Outliner
- CheckvistA flexible outliner for structured work, collaboration, and connected workflows.9.5
- WorkflowyA flexible outline for notes, tasks, and ideas across nearly every major platform.8.4
- BulletlistA broad, entirely free outliner with Markdown, offline sync, and wide import support.8.2
See all CarbonFin Outliner alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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