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aCalendar alternatives · Calendar

aCalendar alternatives with a Linux app

The aCalendar listing does not include a Linux app. 8 of the 75 other calendar and scheduling apps in this directory list a Linux app.

aCalendar has a free plan. Paid plans start at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99. 7 of them are free or have a free plan.

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

How each one differs from aCalendar

  1. CalenGoo

    Highly configurable calendar and task app sold as a one-time purchase

    • CalenGoo starts at $5.99 one-time for Android; $6.99 for iOS; $49.99 for the desktop app. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • aCalendar has a free plan. CalenGoo does not, though it has a free trial.
    • Only CalenGoo lists iOS, Windows, macOS and Linux apps.
    • CalenGoo also covers templates and natural-language input.
    CalenGoo vs aCalendarCalenGoo pricing and details

  2. Rainlendar

    Skinnable desktop calendar for Windows, Mac and Linux

    • Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Rainlendar lists Windows, macOS and Linux apps.
    • Only aCalendar lists an Android app.
    Rainlendar pricing and details

  3. Toki

    AI calendar assistant that turns messages into events and to-dos

    • Toki starts at $3.99 per month, or $35.99 per year. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Toki lists a web app.
    • Only Toki lists macOS, Windows, Linux and iOS apps.
    • aCalendar can be bought with a one-time purchase.
    Toki pricing and details

  4. Merkuro Calendar

    Open-source calendar and task app from KDE for Linux

    • Merkuro Calendar is free. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Merkuro Calendar lists a Linux app.
    • Only aCalendar lists an Android app.
    • Merkuro Calendar is open source, according to its own site.
    Merkuro Calendar pricing and details

  5. Proton Calendar

    End-to-end encrypted calendar from the maker of Proton Mail

    • Proton Calendar starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Proton Calendar lists a web app.
    • Only Proton Calendar lists macOS, Windows, Linux and iOS apps.
    • Proton Calendar is open source and end-to-end encrypted, according to its own site.
    Proton Calendar pricing and details

  6. Tuta Calendar

    End-to-end encrypted calendar bundled with Tuta Mail

    • Tuta Calendar starts at €3 per month, paid yearly (€3.60 paid monthly). aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Tuta Calendar lists a web app.
    • Only Tuta Calendar lists macOS, Windows, Linux and iOS apps.
    • Tuta Calendar is open source and end-to-end encrypted, according to its own site.
    Tuta Calendar pricing and details

  7. GNOME Calendar

    Free, open-source calendar app for the GNOME desktop on Linux

    • GNOME Calendar is free. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only GNOME Calendar lists a Linux app.
    • Only aCalendar lists an Android app.
    • GNOME Calendar is open source, according to its own site.
    GNOME Calendar pricing and details

  8. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Cal.com lists a web app.
    • Only Cal.com lists macOS, Windows, Linux and iOS apps.
    • Only Cal.com lists a browser extension.
    Cal.com pricing and details

Common questions

Which aCalendar alternatives have a Linux app?

CalenGoo, Rainlendar, Toki, Merkuro Calendar, Proton Calendar, Tuta Calendar, GNOME Calendar and Cal.com list a Linux app.

Does aCalendar have a Linux app?

The aCalendar listing does not include a Linux app. It lists Android.

Which of these calendar and scheduling apps are free?

Rainlendar, Toki, Merkuro Calendar, Proton Calendar, Tuta Calendar, GNOME Calendar and Cal.com are free or have a free plan.

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