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Reservio alternatives · Calendar

Reservio alternatives with a Linux app

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

Reservio has a free plan. Paid plans start at $10 per month, prepaid for 6 months ($60), plus VAT. 8 of them are free or have a free plan.

9 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Reservio

  1. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Cal.com lists macOS, Windows and Linux apps.
    • Only Cal.com lists a browser extension.
    • Cal.com is self-hostable, according to its own site.
    Cal.com pricing and details

  2. 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. Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Proton Calendar lists macOS, Windows and Linux apps.
    • Proton Calendar is open source and end-to-end encrypted, according to its own site.
    • Reservio also covers appointment booking and class booking.
    Proton 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). Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Toki lists macOS, Windows and Linux apps.
    • Toki also covers tasks, natural-language input and AI agents.
    • Reservio also covers appointment booking and class booking.
    Toki pricing and details

  4. fruux

    CalDAV and CardDAV sync for contacts, calendars and tasks

    • fruux starts at €4 per month or €40 per year (Pro). Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only fruux lists macOS, Windows and Linux apps.
    • fruux also covers tasks.
    • Reservio also covers booking links, appointment booking and class booking.
    fruux pricing and details

  5. Tuta Calendar

    End-to-end encrypted calendar bundled with Tuta Mail

    • Tuta Calendar starts at €3 per month, paid yearly (€3.60 paid monthly). Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Tuta Calendar lists macOS, Windows and Linux apps.
    • Tuta Calendar is open source and end-to-end encrypted, according to its own site.
    • Reservio also covers booking links, appointment booking and class booking.
    Tuta Calendar pricing and details

  6. 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. Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Reservio has a free plan. CalenGoo does not, though it has a free trial.
    • Only CalenGoo lists Windows, macOS and Linux apps.
    • Only Reservio lists a web app.
    CalenGoo pricing and details

  7. Rainlendar

    Skinnable desktop calendar for Windows, Mac and Linux

    • Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Rainlendar lists Windows, macOS and Linux apps.
    • Only Reservio lists a web app.
    • Only Reservio lists iOS and Android apps.
    Rainlendar pricing and details

  8. GNOME Calendar

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

    • GNOME Calendar is free. Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only GNOME Calendar lists a Linux app.
    • Only Reservio lists a web app.
    • Only Reservio lists iOS and Android apps.
    GNOME Calendar pricing and details

  9. Merkuro Calendar

    Open-source calendar and task app from KDE for Linux

    • Merkuro Calendar is free. Reservio starts at $10 per month, prepaid for 6 months ($60), plus VAT.
    • Only Merkuro Calendar lists a Linux app.
    • Only Reservio lists a web app.
    • Only Reservio lists iOS and Android apps.
    Merkuro Calendar pricing and details

Common questions

Which Reservio alternatives have a Linux app?

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

Does Reservio have a Linux app?

The Reservio listing does not include a Linux app. It lists Web, iOS and Android.

Which of these calendar and scheduling apps are free?

Cal.com, Proton Calendar, Toki, fruux, Tuta Calendar, Rainlendar, GNOME Calendar and Merkuro Calendar 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 12, 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 Reservio: the alternatives its listing names first, then the tools that share the most features with it.