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Capacities alternatives · Note-Taking

Open-source alternatives to Capacities

Capacities is not described as open source on its own site. 50 of the 146 other note-taking apps in this directory are open source, according to their own sites.

Capacities has a free plan. Paid plans start at $9.99 per month, billed yearly. All of them are free or have a free plan.

50 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

The 12 closest to Capacities

  1. Reflect

    Open-source daily notes app with backlinks and local Markdown

    • Reflect starts at $9.99 per month, or $99 per year, for the iPhone and iPad app. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a web app.
    • Only Capacities lists Windows, Linux and Android apps.
    • Reflect is open source, according to its own site.
    Reflect vs CapacitiesReflect pricing and details

  2. Logseq

    Open-source outliner for linked notes stored as local files

    • Logseq starts at $5 per month for Open Collective backers, which unlocks Logseq Sync. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a browser extension.
    • Logseq is open source, according to its own site.
    • Logseq also covers Markdown and whiteboard.
    Logseq vs CapacitiesLogseq pricing and details

  3. Trilium Notes

    Free, open-source hierarchical notes for a personal knowledge base

    • Trilium Notes is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists iOS and Android apps.
    • Trilium Notes is open source and self-hostable, according to its own site.
    • Trilium Notes also covers Markdown.
    Trilium Notes pricing and details

  4. Memos

    Open-source, self-hosted timeline of short Markdown notes

    • Memos is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists macOS, Windows, Linux, iOS and Android apps.
    • Memos is open source and self-hostable, according to its own site.
    • Memos also covers Markdown.
    Memos pricing and details

  5. Tolaria

    Free, open-source desktop app for Markdown knowledge bases

    • Tolaria is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a web app.
    • Only Capacities lists iOS and Android apps.
    • Only Capacities lists a browser extension.
    Tolaria pricing and details

  6. GitJournal

    Mobile Markdown notes app that syncs through any Git repository

    • GitJournal starts at $1.99 per month in installments, or $31.99 one-time (US App Store minimums). Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a web app.
    • Only Capacities lists macOS, Windows and Linux apps.
    • Only Capacities lists a browser extension.
    GitJournal pricing and details

  7. Zavala

    Free open-source outliner for Mac, iPhone and iPad

    • Zavala is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a web app.
    • Only Capacities lists Windows, Linux and Android apps.
    • Only Capacities lists a browser extension.
    Zavala pricing and details

  8. QOwnNotes

    Open-source Markdown notes app with Nextcloud and ownCloud support

    • QOwnNotes is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a web app.
    • Only Capacities lists an iOS app.
    • QOwnNotes is open source, according to its own site.
    QOwnNotes pricing and details

  9. Joplin

    Open source Markdown notes with sync through a service you choose

    • Joplin starts at 2.40€ per month, billed yearly at 28.69€ (Joplin Cloud Basic). Capacities starts at $9.99 per month, billed yearly.
    • Joplin is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Joplin also covers Markdown.
    • Capacities also covers linked notes and daily notes.
    Joplin pricing and details

  10. Simplenote

    Free plain-text notes that sync across every major platform

    • Simplenote is free. Capacities starts at $9.99 per month, billed yearly.
    • Only Capacities lists a browser extension.
    • Simplenote is open source, according to its own site.
    • Simplenote also covers Markdown.
    Simplenote pricing and details

  11. Standard Notes

    End-to-end encrypted notes app with open source clients

    • Standard Notes starts at $90 per year (Productivity). Capacities starts at $9.99 per month, billed yearly.
    • Standard Notes is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Standard Notes also covers Markdown.
    • Capacities also covers linked notes and daily notes.
    Standard Notes pricing and details

  12. Notesnook

    Open source, end-to-end encrypted notes on every platform

    • Notesnook starts at $1.99 per month, or $19.99 per year (Essential). Capacities starts at $9.99 per month, billed yearly.
    • Notesnook is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Notesnook also covers Markdown.
    • Capacities also covers daily notes.
    Notesnook pricing and details

38 more that are open source

All 50 in one table

Common questions

Is there an open-source alternative to Capacities?

Yes. Reflect, Logseq, Trilium Notes, Memos, Tolaria, GitJournal, Zavala, QOwnNotes and 42 more are open source, according to their own sites.

Is Capacities open source?

Capacities is not described as open source on its own site. The listing was checked on Oct 4, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Capacities: the alternatives its listing names first, then the tools that share the most features with it.