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Google Keep alternatives · Note-Taking

Open-source alternatives to Google Keep

Google Keep 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.

Google Keep has a free plan. Paid plans start at $7 per user / month with a 1-year commitment (Workspace Business Starter). 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 Google Keep

  1. Simplenote

    Free plain-text notes that sync across every major platform

    • Simplenote is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Simplenote lists macOS, Windows and Linux apps.
    • Only Google Keep lists a browser extension.
    • Simplenote is open source, according to its own site.
    Simplenote vs Google KeepSimplenote pricing and details

  2. Fossify Notes

    Open-source Android notes and checklists with no account

    • Fossify Notes is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Google Keep lists a web app.
    • Only Google Keep lists an iOS app.
    • Only Google Keep lists a browser extension.
    Fossify Notes vs Google KeepFossify Notes pricing and details

  3. Memos

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

    • Memos is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Google Keep lists iOS and Android apps.
    • Memos is open source and self-hostable, according to its own site.
    • Memos also covers Markdown and linked notes.
    Memos vs Google KeepMemos pricing and details

  4. Zavala

    Free open-source outliner for Mac, iPhone and iPad

    • Zavala is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Zavala lists a macOS app.
    • Only Google Keep lists a web app.
    • Only Google Keep lists an Android app.
    Zavala pricing and details

  5. 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). Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Joplin lists Windows, macOS and Linux apps.
    • Joplin is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Joplin also covers Markdown.
    Joplin pricing and details

  6. Standard Notes

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

    • Standard Notes starts at $90 per year (Productivity). Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Standard Notes lists macOS, Windows and Linux apps.
    • Standard Notes is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Standard Notes also covers Markdown.
    Standard Notes pricing and details

  7. AppFlowy

    Open-core workspace for docs, wikis and projects you can self-host

    • AppFlowy starts at $6 / month, billed annually (self-hosted One); cloud Pro is $16 per member. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only AppFlowy lists macOS, Windows and Linux apps.
    • Only Google Keep lists a browser extension.
    • AppFlowy is open source and self-hostable, according to its own site.
    AppFlowy pricing and details

  8. Trilium Notes

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

    • Trilium Notes is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Trilium Notes lists Windows, macOS and Linux apps.
    • Only Google Keep lists iOS and Android apps.
    • Trilium Notes is open source and self-hostable, according to its own site.
    Trilium Notes pricing and details

  9. Tolaria

    Free, open-source desktop app for Markdown knowledge bases

    • Tolaria is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Tolaria lists macOS, Windows and Linux apps.
    • Only Google Keep lists a web app.
    • Only Google Keep lists iOS and Android apps.
    Tolaria pricing and details

  10. Lockbook

    Open-source encrypted notes app with Markdown and drawing

    • Lockbook starts at $2.99 per month. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Lockbook lists macOS, Windows and Linux apps.
    • Only Google Keep lists a web app.
    • Only Google Keep lists a browser extension.
    Lockbook pricing and details

  11. Markor

    Offline Android text editor for Markdown notes and todo.txt

    • Markor is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only Google Keep lists a web app.
    • Only Google Keep lists an iOS app.
    • Only Google Keep lists a browser extension.
    Markor pricing and details

  12. NoteGen

    Open-source Markdown notes app that organizes captures with AI

    • NoteGen is free. Google Keep starts at $7 per user / month with a 1-year commitment (Workspace Business Starter).
    • Only NoteGen lists Windows, macOS and Linux apps.
    • Only Google Keep lists a web app.
    • NoteGen is open source, according to its own site.
    NoteGen pricing and details

38 more that are open source

All 50 in one table

Common questions

Is there an open-source alternative to Google Keep?

Yes. Simplenote, Fossify Notes, Memos, Zavala, Joplin, Standard Notes, AppFlowy, Trilium Notes and 42 more are open source, according to their own sites.

Is Google Keep open source?

Google Keep is not described as open source on its own site. The listing was checked on Oct 5, 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 Google Keep: the alternatives its listing names first, then the tools that share the most features with it.