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Checkfront alternatives · Calendar

Checkfront alternatives with a Linux app

The Checkfront listing does not include a Linux app. 9 of the 114 other calendar and scheduling apps in this directory list a Linux app.

Checkfront is a paid product, starting at $99 per month, plus a 3% online booking fee. 8 of them are free or have a free plan.

9 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Checkfront

  1. 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. Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Proton Calendar has a free plan. Checkfront does not.
    • Only Proton Calendar lists macOS, Windows, Linux, iOS and Android apps.
    • Proton Calendar is open source and end-to-end encrypted, according to its own site.
    Proton Calendar pricing and details

  2. Tuta Calendar

    End-to-end encrypted calendar bundled with Tuta Mail

    • Tuta Calendar starts at €3 per month, paid yearly (€3.60 paid monthly). Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Tuta Calendar has a free plan. Checkfront does not.
    • Only Tuta Calendar lists macOS, Windows, Linux, iOS and Android apps.
    • Tuta Calendar is open source and end-to-end encrypted, according to its own site.
    Tuta Calendar pricing and details

  3. Toki

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

    • Toki starts at $9.99 per month (Super). Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Toki has a free plan. Checkfront does not.
    • Only Toki lists macOS, Windows, Linux, iOS and Android apps.
    • Toki also covers tasks, natural-language input, booking links and AI agents.
    Toki pricing and details

  4. 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. Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Only CalenGoo lists iOS, Android, Windows, macOS and Linux apps.
    • Only Checkfront lists a web app.
    • CalenGoo can be bought with a one-time purchase.
    CalenGoo pricing and details

  5. Rainlendar

    Skinnable desktop calendar for Windows, Mac and Linux

    • Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Rainlendar has a free plan. Checkfront does not.
    • Only Rainlendar lists Windows, macOS and Linux apps.
    • Only Checkfront lists a web app.
    Rainlendar pricing and details

  6. GNOME Calendar

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

    • GNOME Calendar is free. Checkfront starts at $99 per month, plus a 3% online booking fee.
    • GNOME Calendar has a free plan. Checkfront does not.
    • Only GNOME Calendar lists a Linux app.
    • Only Checkfront lists a web app.
    GNOME Calendar pricing and details

  7. Merkuro Calendar

    Open-source calendar and task app from KDE for Linux

    • Merkuro Calendar is free. Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Merkuro Calendar has a free plan. Checkfront does not.
    • Only Merkuro Calendar lists a Linux app.
    • Only Checkfront lists a web app.
    Merkuro Calendar pricing and details

  8. fruux

    CalDAV and CardDAV sync for contacts, calendars and tasks

    • fruux starts at €4 per month or €40 per year (Pro). Checkfront starts at $99 per month, plus a 3% online booking fee.
    • fruux has a free plan. Checkfront does not.
    • Only fruux lists macOS, Windows, Linux, iOS and Android apps.
    • fruux also covers tasks.
    fruux pricing and details

  9. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). Checkfront starts at $99 per month, plus a 3% online booking fee.
    • Cal.com has a free plan. Checkfront does not.
    • Only Cal.com lists macOS, Windows, Linux, iOS and Android apps.
    • Only Cal.com lists a browser extension.
    Cal.com pricing and details

Common questions

Which Checkfront alternatives have a Linux app?

Proton Calendar, Tuta Calendar, Toki, CalenGoo, Rainlendar, GNOME Calendar, Merkuro Calendar, fruux and 1 more list a Linux app.

Does Checkfront have a Linux app?

The Checkfront listing does not include a Linux app. It lists Web.

Which of these calendar and scheduling apps are free?

Proton Calendar, Tuta Calendar, Toki, Rainlendar, GNOME Calendar, Merkuro Calendar, fruux 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 Nov 13, 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 Checkfront: the alternatives its listing names first, then the tools that share the most features with it.