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NoteCase Pro alternatives · Note-Taking

Open-source alternatives to NoteCase Pro

NoteCase Pro 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.

NoteCase Pro has a free plan. Paid plans start at $5 one-time for Android; desktop licenses start at €7 one-time. 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 NoteCase Pro

  1. CherryTree

    Hierarchical desktop notes with rich text and code highlighting

    • CherryTree is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists an Android app.
    • CherryTree is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    CherryTree vs NoteCase ProCherryTree pricing and details

  2. Zim

    Desktop wiki that keeps linked pages as plain text files

    • Zim is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists an Android app.
    • Zim is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Zim vs NoteCase ProZim pricing and details

  3. KeyNote NF

    Open-source tabbed notebook for Windows with tree notes

    • KeyNote NF is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists macOS, Linux and Android apps.
    • KeyNote NF is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    KeyNote NF vs NoteCase ProKeyNote NF pricing and details

  4. TreeSheets

    Open-source hierarchical spreadsheet for free-form notes and data

    • TreeSheets is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists an Android app.
    • TreeSheets is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    TreeSheets vs NoteCase ProTreeSheets pricing and details

  5. FSNotes

    Open-source Markdown notes app for Mac and iPhone

    • FSNotes starts at $4.99 one-time for iPhone and iPad; $8.99 one-time for Mac. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only FSNotes lists an iOS app.
    • Only NoteCase Pro lists Windows, Linux and Android apps.
    • FSNotes is open source, according to its own site.
    FSNotes pricing and details

  6. Linwood Butterfly

    Open-source handwriting and sketching app with an infinite canvas

    • Linwood Butterfly is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only Linwood Butterfly lists a web app.
    • Linwood Butterfly is open source and self-hostable, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Linwood Butterfly pricing and details

  7. Orgzly Revived

    Org mode outliner for notes and to-do lists on Android

    • Orgzly Revived is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists Windows, macOS and Linux apps.
    • Orgzly Revived is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Orgzly Revived pricing and details

  8. Markor

    Offline Android text editor for Markdown notes and todo.txt

    • Markor is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists Windows, macOS and Linux apps.
    • Markor is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Markor pricing and details

  9. Quillpad

    Open-source Android notes app with Markdown and task lists

    • Quillpad is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists Windows, macOS and Linux apps.
    • Quillpad is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Quillpad pricing and details

  10. Fossify Notes

    Open-source Android notes and checklists with no account

    • Fossify Notes is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists Windows, macOS and Linux apps.
    • Fossify Notes is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    Fossify Notes pricing and details

  11. NotallyX

    Minimal open-source Android app for notes and task lists

    • NotallyX is free. NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only NoteCase Pro lists Windows, macOS and Linux apps.
    • NotallyX is open source, according to its own site.
    • NoteCase Pro can be bought with a one-time purchase.
    NotallyX pricing and details

  12. MiaoYan

    Native Mac Markdown notes app with a split editor and preview

    • MiaoYan starts at $14.99 one-time purchase (App Store edition). NoteCase Pro starts at $5 one-time for Android; desktop licenses start at €7 one-time.
    • Only MiaoYan lists an iOS app.
    • Only NoteCase Pro lists Windows, Linux and Android apps.
    • MiaoYan is open source, according to its own site.
    MiaoYan pricing and details

38 more that are open source

All 50 in one table

Common questions

Is there an open-source alternative to NoteCase Pro?

Yes. CherryTree, Zim, KeyNote NF, TreeSheets, FSNotes, Linwood Butterfly, Orgzly Revived, Markor and 42 more are open source, according to their own sites.

Is NoteCase Pro open source?

NoteCase Pro 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 NoteCase Pro: the alternatives its listing names first, then the tools that share the most features with it.