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Outerline

Native Markdown editor for Mac and iPhone with built-in MCP

Visit Official Site ↗

About Outerline

Outerline is a native Markdown editor for Mac and iPhone that stores real .md files in a folder you choose and syncs them via iCloud. It includes an opt-in built-in MCP server so your own AI assistant can read and revise drafts, plus an optional Publish add-on for sharing documents on the web.

Outerline website preview

Homepage preview of Outerline

Live preview of outerline.so via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Outerline: strengths & things to check

Strengths

  • Paid product with a commercial model behind it — support and continued development are funded by paying customers.
  • Covers markdown, editor, macos, notes — see the focus areas listed in its key facts.
  • Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

  • No free tier is listed in this directory — budget for a paid plan, and use any trial the official site offers before buying.
  • Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
  • It is one of 2328 tools in the Productivity & Notes category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Outerline pricing

Pricing modelPaid — this directory does not list a free tier for it.
Free accessNo free tier listed
Current plan pricesListed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official siteouterline.so

Outerline key facts

Outerline FAQ

How much does Outerline cost?

Paid — this directory does not list a free tier for it. Current plans and prices are listed on the official site (outerline.so).

What is Outerline used for?

Native Markdown editor for Mac and iPhone with built-in MCP Its focus areas in the Productivity & Notes category: markdown, editor, macos, notes.

Where can I try Outerline?

On its official site, outerline.so — the Visit Official Site button above goes straight there.

Outerline vs alternatives

OuterlineFolioNotesLavernaObsidian
PricingPaid — this directory does not list a free tier for it.Free — listed in this directory as a free tool, with no paid plan required to use it.Free — listed in this directory as a free tool, with no paid plan required to use it.Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areasmarkdown, editor, macos, notesnotes, macos, local ai, markdownnotes, markdown, offline, editornotes, markdown, knowledge management
Official siteouterline.sofolionotes.nolaverna.ccobsidian.md
Directory statusListedListedListedFeatured listing

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Productivity & Notes category

Notes, tasks, and project tools that keep you organized and focused. The Productivity & Notes category on Tools Hub currently lists 2328 tools. Alongside Outerline, it includes NoteHand, Kithful, Sticklly, Sticky Toss.

PaidProductivity & Notesmarkdowneditormacosnotes

Alternatives to Outerline

Tools in the same Productivity & Notes category that share focus areas with Outerline — worth comparing before you commit:

FProductivity & Notes

Local AI notes for Mac that file themselves as Markdown

Freenotesmacoslocal-aimarkdown
LProductivity & Notes

Note-taking web app with Markdown support

Freenotesmarkdownofflineeditor
OProductivity & Notes

A second brain built on local Markdown files.

Freenotesmarkdownknowledge-management
AProductivity & Notes

Markdown notes app with files, recordings and AI built in

Freemiummarkdownnotesairecordings
BProductivity & Notes

Beautiful Markdown notes for Apple devices.

Freemiumnotesmarkdownapple
CProductivity & Notes

Cross-platform notes with an AI knowledge base

Freemiumnotescross-platformaimarkdown

More in Productivity & Notes

Comparing tools in the Productivity & Notes category? These related listings are worth a look: NoteHand — Mac meeting notes, live coaching and dictation in one app; Kithful — Household organizer that remembers for the whole family; Sticklly — Online sticky notes board, free with no signup.

NProductivity & Notes

Mac meeting notes, live coaching and dictation in one app

Paidmeeting-notesdictationmacostranscription
KProductivity & Notes

Household organizer that remembers for the whole family

Freemiumfamilyorganizerhouseholdscanning
SProductivity & Notes

Online sticky notes board, free with no signup

Freemiumsticky-noteswhiteboardcollaborationpwa
SProductivity & Notes

Sticky notes for capturing ideas and tasks on every device

Paidsticky-notestaskscapturesync
TProductivity & Notes

Calm, private to-do app with a tiny flat Premium price

Freemiumtodotaskshabitsprivacy
FProductivity & Notes

Mac menu-bar task list with tear-off floating task windows

Freemiumtasksmacosmenu-barfocus