Best Outliner Software in 2026
Updated
31 outliner software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
31ranked
0free plans on this page
7 Oct 2026last checked
Outliner Software, ranked on how quickly a newcomer can get going. 0 of the 6 on this page can be tried for free.
- 26 Kosshi Outliner
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 27 MemPad
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 28 AI Outliner
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 29 OmniOutliner
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 30 Outliner
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 31 Outspline
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
Compare all 6 in a table
| # | Platform | Score | Free plan | Free plan | Paid from | App platforms | Export formats |
|---|---|---|---|---|---|---|---|
| 26 | Kosshi Outliner | 5.8 | No | No | — | macOS, iOS (iPhone, iPad) | Markdown, Rich Text, TextBundle, Plain Text, OPML |
| 27 | MemPad | 5.8 | No | Yes | — | — | — |
| 28 | AI Outliner | 5.7 | No | No | — | Windows, macOS, Linux | OPML, PowerPoint, Word, PDF |
| 29 | OmniOutliner | 5.7 | No | No | — | macOS, iOS, iPadOS, visionOS | CSV, HTML, Dynamic HTML, OPML, plain text, RTF, DOCX, PPTX, XLSX |
| 30 | Outliner | 5.7 | No | — | — | web | OPML |
| 31 | Outspline | 5.7 | No | Yes | — | Linux | plain text |
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