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Crab Fit alternatives · Calendar

Crab Fit alternatives with a Linux app

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

Crab Fit is free to use. 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 Crab Fit

  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). Crab Fit is free.
    • Only Cal.com lists macOS, Windows, Linux and iOS apps.
    • Crab Fit is open source, according to its own site.
    • Cal.com also covers booking links and workflow automation.
  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. Crab Fit is free.
    • Only Proton Calendar lists macOS, Windows, Linux and iOS apps.
    • Only Crab Fit lists a browser extension.
    • Proton Calendar is end-to-end encrypted, according to its own site.
  3. Tuta Calendar

    End-to-end encrypted calendar bundled with Tuta Mail

    • Tuta Calendar starts at €3 per month, paid yearly (€3.60 paid monthly). Crab Fit is free.
    • Only Tuta Calendar lists macOS, Windows, Linux and iOS apps.
    • Only Crab Fit lists a browser extension.
    • Tuta Calendar is end-to-end encrypted, according to its own site.
  4. GNOME Calendar

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

    • GNOME Calendar is free. Crab Fit is free.
    • Only GNOME Calendar lists a Linux app.
    • Only Crab Fit lists a web app.
    • Only Crab Fit lists an Android app.
  5. Merkuro Calendar

    Open-source calendar and task app from KDE for Linux

    • Merkuro Calendar is free. Crab Fit is free.
    • Only Merkuro Calendar lists a Linux app.
    • Only Crab Fit lists a web app.
    • Only Crab Fit lists an Android app.
  6. Toki

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

    • Toki starts at $3.99 per month, or $35.99 per year. Crab Fit is free.
    • Only Toki lists macOS, Windows, Linux and iOS apps.
    • Only Crab Fit lists a browser extension.
    • Crab Fit is open source and self-hostable, according to its own site.
  7. 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. Crab Fit is free.
    • Crab Fit has a free plan. CalenGoo does not, though it has a free trial.
    • Only CalenGoo lists iOS, Windows, macOS and Linux apps.
    • Only Crab Fit lists a web app.
  8. Rainlendar

    Skinnable desktop calendar for Windows, Mac and Linux

    • Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. Crab Fit is free.
    • Only Rainlendar lists Windows, macOS and Linux apps.
    • Only Crab Fit lists a web app.
    • Only Crab Fit lists an Android app.

Common questions

Which Crab Fit alternatives have a Linux app?

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

Does Crab Fit have a Linux app?

The Crab Fit listing does not include a Linux app. It lists Web, Android and Browser extension.

Which of these calendar and scheduling apps are free?

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