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Flexcil alternatives · Note-Taking

Open-source alternatives to Flexcil

Flexcil 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.

Flexcil has a free plan. Paid plans start at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown. 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 Flexcil

  1. Linwood Butterfly

    Open-source handwriting and sketching app with an infinite canvas

    • Linwood Butterfly is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Linwood Butterfly lists a web app.
    • Only Linwood Butterfly lists Windows, macOS and Linux apps.
    • Only Flexcil lists an iOS app.
    Linwood Butterfly pricing and details

  2. VNote

    Free desktop Markdown note-taking app with plain-file notebooks

    • VNote is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only VNote lists Windows, Linux and macOS apps.
    • Only Flexcil lists iOS and Android apps.
    • VNote is open source, according to its own site.
    VNote pricing and details

  3. NoteDiscovery

    Self-hosted Markdown knowledge base that runs in the browser

    • NoteDiscovery is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only NoteDiscovery lists a web app.
    • Only Flexcil lists iOS and Android apps.
    • NoteDiscovery is open source and self-hostable, according to its own site.
    NoteDiscovery pricing and details

  4. 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. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Logseq lists a web app.
    • Only Logseq lists macOS, Windows and Linux apps.
    • Logseq is open source, according to its own site.
    Logseq pricing and details

  5. 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. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Reflect lists a macOS app.
    • Only Reflect lists a browser extension.
    • Only Flexcil lists an Android app.
    Reflect pricing and details

  6. 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). Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Joplin lists a web app.
    • Only Joplin lists Windows, macOS and Linux apps.
    • Only Joplin lists a browser extension.
    Joplin pricing and details

  7. Simplenote

    Free plain-text notes that sync across every major platform

    • Simplenote is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Simplenote lists a web app.
    • Only Simplenote lists macOS, Windows and Linux apps.
    • Simplenote is open source, according to its own site.
    Simplenote pricing and details

  8. Standard Notes

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

    • Standard Notes starts at $90 per year (Productivity). Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Standard Notes lists a web app.
    • Only Standard Notes lists macOS, Windows and Linux apps.
    • Only Standard Notes lists a browser extension.
    Standard Notes pricing and details

  9. Notesnook

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

    • Notesnook starts at $1.99 per month, or $19.99 per year (Essential). Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Notesnook lists a web app.
    • Only Notesnook lists Windows, macOS and Linux apps.
    • Only Notesnook lists a browser extension.
    Notesnook pricing and details

  10. Trilium Notes

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

    • Trilium Notes is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only Trilium Notes lists a web app.
    • Only Trilium Notes lists Windows, macOS and Linux apps.
    • Only Trilium Notes lists a browser extension.
    Trilium Notes pricing and details

  11. SiYuan

    Open-source, local-first notes built on linked content blocks

    • SiYuan starts at $64 one-time payment (PRO Features). Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only SiYuan lists a web app.
    • Only SiYuan lists Windows, macOS and Linux apps.
    • Only SiYuan lists a browser extension.
    SiYuan pricing and details

  12. TiddlyWiki

    Open-source personal wiki kept in a single HTML file

    • TiddlyWiki is free. Flexcil starts at $8.99 (Premium) or $9.99 (Flexcil Standard) on the US App Store; basis not shown.
    • Only TiddlyWiki lists a web app.
    • Only TiddlyWiki lists macOS, Windows and Linux apps.
    • Only Flexcil lists iOS and Android apps.
    TiddlyWiki pricing and details

38 more that are open source

All 50 in one table

Common questions

Is there an open-source alternative to Flexcil?

Yes. Linwood Butterfly, VNote, NoteDiscovery, Logseq, Reflect, Joplin, Simplenote, Standard Notes and 42 more are open source, according to their own sites.

Is Flexcil open source?

Flexcil is not described as open source on its own site. The listing was checked on Oct 9, 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 Flexcil: the alternatives its listing names first, then the tools that share the most features with it.