Octarine alternatives: 7 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave Octarine: closed source, unlike Logseq or Joplin, and no built-in sync service; you bring your own storage or Git. We ranked 7 alternatives by how directly each one replaces Octarine, then by reviews, real visits and how recently each app's facts were checked against its own website. Obsidian currently ranks first.

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The best Octarine alternative for…

The highest-ranked app in this list for each need.

Best Octarine alternative for most people

Obsidian

Same local Markdown-folder approach with a huge plugin ecosystem and an Android app; free for personal use.

Best Octarine alternative for a free option

Logseq

Open-source and free, storing notes as local Markdown, but built around an outliner and block references.

Best Octarine alternative for a free plan you can upgrade

Bear

A polished Markdown notes app for Apple devices with built-in iCloud sync, if you only use Mac and iPhone.

Best Octarine alternative for open source

Joplin

Open-source Markdown notes with end-to-end encrypted sync and apps on every platform, including Android.

Best Octarine alternative for self-hosting

Joplin

Open-source Markdown notes with end-to-end encrypted sync and apps on every platform, including Android.

Best Octarine alternative for Mac

UpNote

Cheap lifetime licence and built-in sync across Windows, Mac, Linux, iOS and Android, but notes live in its own database.

Best Octarine alternative for Windows

Zettlr

Free, open-source Markdown editor aimed at academic writing, with citations and local files.

Best Octarine alternative for Linux

Obsidian

Same local Markdown-folder approach with a huge plugin ecosystem and an Android app; free for personal use.

Best Octarine alternative for iPhone and Android

Obsidian

Same local Markdown-folder approach with a huge plugin ecosystem and an Android app; free for personal use.

Best Octarine alternative for working in the browser

NotePlan

Markdown files plus daily notes and calendar-based planning, for Apple users who want tasks and notes together.

Octarine alternatives: common questions

What is the best alternative to Octarine?

Obsidian ranks first right now. Same local Markdown-folder approach with a huge plugin ecosystem and an Android app; free for personal use. Bear and Logseq follow it in our ranking.

Is there a free alternative to Octarine?

Yes. Obsidian (free plan + paid), Bear (free plan + paid), Logseq (open source) and UpNote (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Octarine?

Yes: Logseq, Joplin and Zettlr. Joplin can also be self-hosted.

Which Octarine alternatives work on Linux?

Obsidian, Logseq, UpNote, Joplin and Zettlr run on Linux.

Why do people switch from Octarine?

The complaints we hear most: closed source, unlike Logseq or Joplin; no built-in sync service; you bring your own storage or Git; no Android app.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Octarine, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.