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Apple Reminders alternatives · To-Do Lists

Open-source alternatives to Apple Reminders

Apple Reminders is not described as open source on its own site. 27 of the 123 other to-do list apps in this directory are open source, according to their own sites.

Apple Reminders is free to use. All of them are free or have a free plan.

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

The 12 closest to Apple Reminders

  1. Vikunja

    Open-source task manager to self-host or use as a paid cloud

    • Vikunja starts at €4 per month, or €40 billed yearly (Vikunja Cloud Personal). Apple Reminders is free.
    • Only Vikunja lists Windows, Linux and Android apps.
    • Only Apple Reminders lists an iOS app.
    • Vikunja is open source and self-hostable, according to its own site.
    Vikunja pricing and details

  2. Planify

    Free, open-source task manager for the Linux desktop

    • Planify is free. Apple Reminders is free.
    • Only Planify lists a Linux app.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists iOS and macOS apps.
    Planify pricing and details

  3. tududi

    Open-source task and life organizer to self-host or use hosted

    • tududi starts at €5 per person / month, or €50 per person / year (tududi Cloud). Apple Reminders is free.
    • Only Apple Reminders lists iOS and macOS apps.
    • tududi is open source and self-hostable, according to its own site.
    • tududi also covers habit tracking.
    tududi pricing and details

  4. Mindwtr

    Free, open-source GTD task manager for desktop and mobile

    • Mindwtr is free. Apple Reminders is free.
    • Only Mindwtr lists Windows, Linux and Android apps.
    • Only Apple Reminders lists a web app.
    • Mindwtr is open source, according to its own site.
    Mindwtr pricing and details

  5. Super Productivity

    Free, open-source to-do app with time tracking and a Pomodoro timer

    • Super Productivity is free. Apple Reminders is free.
    • Only Super Productivity lists Windows, Linux and Android apps.
    • Super Productivity is open source, according to its own site.
    • Super Productivity also covers Pomodoro timer and time tracking.
    Super Productivity pricing and details

  6. ToDoList

    Free, open-source task outliner for Windows with Gantt and kanban

    • ToDoList is free. Apple Reminders is free.
    • Only ToDoList lists a Windows app.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists iOS and macOS apps.
    ToDoList pricing and details

  7. Donetick

    Open-source task and chore manager for households and groups

    • Donetick starts at $4.99 per month, or $39.99 per year (Donetick Plus, US App Store). Apple Reminders is free.
    • Only Donetick lists an Android app.
    • Only Apple Reminders lists a macOS app.
    • Donetick is open source and self-hostable, according to its own site.
    Donetick pricing and details

  8. sleek

    Free, open-source todo.txt manager for Windows, macOS and Linux

    • sleek is free. Apple Reminders is free.
    • Only sleek lists Windows and Linux apps.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists an iOS app.
    sleek pricing and details

  9. Kanri

    Offline kanban board app for Windows, macOS and Linux

    • Kanri is free. Apple Reminders is free.
    • Only Kanri lists Windows and Linux apps.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists an iOS app.
    Kanri pricing and details

  10. Tasks.md

    Self-hosted kanban board that stores cards as Markdown files

    • Tasks.md is free. Apple Reminders is free.
    • Only Apple Reminders lists iOS and macOS apps.
    • Tasks.md is open source and self-hostable, according to its own site.
    • Tasks.md also covers Markdown.
    Tasks.md pricing and details

  11. Reminders MenuBar

    Open-source macOS menu bar app for Apple Reminders

    • Reminders MenuBar is free. Apple Reminders is free.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists an iOS app.
    • Reminders MenuBar is open source, according to its own site.
    Reminders MenuBar pricing and details

  12. Tasks.org

    Open-source Android to-do list with CalDAV and Google Tasks sync

    • Tasks.org starts at $0.99 per year (name-your-price subscription). Apple Reminders is free.
    • Only Tasks.org lists Android, Windows and Linux apps.
    • Only Apple Reminders lists a web app.
    • Only Apple Reminders lists an iOS app.
    Tasks.org pricing and details

15 more that are open source

All 27 in one table

Common questions

Is there an open-source alternative to Apple Reminders?

Yes. Vikunja, Planify, tududi, Mindwtr, Super Productivity, ToDoList, Donetick, sleek and 19 more are open source, according to their own sites.

Is Apple Reminders open source?

Apple Reminders 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 5, 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 Apple Reminders: the alternatives its listing names first, then the tools that share the most features with it.